docs: add contributing.md and issue templates

Resoves #25

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -0,0 +1,47 @@
+name: "\U0001F41E Bug report"
+description: Create a report to help us improve this project
+# labels: ["pending triage"]
+body:
+  - type: markdown
+    attributes:
+        # Please carefully read the contribution docs before creating a bug report
+        # 👉 https://v3.nuxtjs.org/community/reporting-bugs
+      value: |
+        Please use the template below to create a minimal reproduction
+        👉 https://stackblitz.com/github/dargmuesli/nuxt-cookie-control?file=playground%2Fapp.vue
+  - type: textarea
+    id: bug-env
+    attributes:
+      label: Environment
+      description: You can use `npx nuxi info` to fill this section
+      placeholder: Environment
+    validations:
+      required: true
+  - type: textarea
+    id: reproduction
+    attributes:
+      label: Reproduction
+      description: Please provide a link to a repo that can reproduce the problem you ran into. A [**minimal reproduction**](https://stackblitz.com/github/dargmuesli/nuxt-cookie-control?file=playground%2Fapp.vue) is required unless you are absolutely sure that the issue is obvious and the provided information is enough to understand the problem. If a report is vague (e.g. just a generic error message) and has no reproduction, it will receive a "need reproduction" label. If no reproduction is provided we might close it.
+      placeholder: Reproduction
+    validations:
+      required: true
+  - type: textarea
+    id: bug-description
+    attributes:
+      label: Describe the bug
+      description: A clear and concise description of what the bug is. If you intend to submit a PR for this issue, tell us in the description. Thanks!
+      placeholder: Bug description
+    validations:
+      required: true
+  - type: textarea
+    id: additonal
+    attributes:
+      label: Additional context
+      description: If applicable, add any other context about the problem here
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs
+      description: |
+        Optional if provided reproduction. Please try not to insert an image but copy paste the log text.
+      render: shell

.github/ISSUE_TEMPLATE/config.yml

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+contact_links:
+  - name: 💬 Discussions
+    url: https://github.com/dargmuesli/nuxt-cookie-control/discussions
+    about: Use discussions for asking questions
+  - name: 📚 README
+    url: https://github.com/dargmuesli/nuxt-cookie-control/blob/master/README.md
+    about: Check documentation on usage
+  - name: 📰 CHANGELOG
+    url: https://github.com/dargmuesli/nuxt-cookie-control/blob/master/CHANGELOG.md
+    about: Information on potentially breaking changes and migration instructions

.github/ISSUE_TEMPLATE/feature-request.yml

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+name: "🚀 Feature request"
+description: Suggest a feature that will improve this project
+# labels: ["pending triage"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for taking the time to fill out this feature request!
+#
+#        Please carefully read the contribution docs before suggesting a new feature
+#        👉 https://v3.nuxtjs.org/community/contribution/#creating-an-issue
+  - type: textarea
+    id: feature-description
+    attributes:
+      label: Describe the feature
+      description: A clear and concise description of what you think would be a helpful addition to this project, including the possible use cases and alternatives you have considered. If you have a working prototype or module that implements it, please include a link.
+      placeholder: Feature description
+    validations:
+      required: true
+  - type: checkboxes
+    id: additional-info
+    attributes:
+      label: Additional information
+      description: Additional information that helps us decide how to proceed.
+      options:
+        - label: Would you be willing to help implement this feature?
+        # - label: Could this feature be implemented as a module?
+  - type: checkboxes
+    id: required-info
+    attributes:
+      label: Final checks
+      description: Before submitting, please make sure you do the following
+      options:
+        # - label: Read the [contribution guide](https://v3.nuxtjs.org/community/contribution).
+        #   required: true
+        - label: Check existing [discussions](https://github.com/nuxt/framework/discussions) and [issues](https://github.com/nuxt/framework/issues).
+          required: true

CONTRIBUTING.md

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+# Contributing to @dargmuesli/nuxt-cookie-control
+
+## Your Questions
+Please consider asking questions in [Discussions](https://github.com/dargmuesli/nuxt-cookie-control/discussions) or help networks like [StackOverflow](https://stackoverflow.com/questions/tagged/spotify-web-api-java) using the label `@dargmuesli/nuxt-cookie-control`.
+Posting your question there will result in quick and helpful answers.
+
+Issues should only be used to file bug reports and ask questions that are targeted specifically at **this** project's source code.
+
+## Information Quality
+Every constructive contribution is highly appreciated.
+They help to keep this project up-to-date and running, especially because currently only voluntary maintainers and contributors take care of this repository.
+
+At the same time it is strongly recommended to follow certain guidelines when making contributions to open source projects like this one.
+They ensure fast processing times and stable releases.
+
+Before changing anything in the code base, make sure to look into [the project's README](https://github.com/dargmuesli/nuxt-cookie-control/blob/master/README.md) and its [CHANGELOG](https://github.com/dargmuesli/nuxt-cookie-control/blob/master/CHANGELOG.md).
+This project's code follows simple and consistent code conventions, which should be easy to grasp.
+If not: always try to build the project on your machine first to catch mistakes!
+It saves your time to be in the clear about those conventions as it significantly lowers the probability to receive change requests from maintainers and thereby the time until merge.
+
+Issues that do not provide enough information, that are unclear or not understandable will be closed until more qualitative information is provided.
+
+## Contribution Completeness
+A contribution has to be *complete* to get accepted.
+If you cannot complete the requirements, you're welcome to ask for help.
+But bear in mind that this can take some time.
+
+A complete contribution implements a feature or a bug fix and keeps all [automated checks](https://github.com/dargmuesli/nuxt-cookie-control/actions) green! They should stay green as long as you can build the project on your machine.
+
+## Contribution Flow
+1. Create a fork from this repository
+1. Create a branch in your fork in which you develop your contribution (one branch per feature/fix)
+1. Make sure your contribution follows the contribution guidelines above
+1. Create meaningful and well-separated commits
+1. Create a pull request from your feature branch to the correct branch of this project