docs: Add PR and Issues templates (#32)

Co-authored-by: Maksym Vlasov <MaxymVlasov@users.noreply.github.com>

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a bug report
+labels:
+- bug
+---
+
+<!--
+Thank you for helping to improve renovate-config!
+
+Please be sure to search for open issues before raising a new one. We use issues
+for bug reports and feature requests. Please note, this template is for bugs
+report, not feature requests.
+-->
+
+### Describe the bug
+
+<!--
+Please let us know what behavior you expected and how renovate-config diverged
+from that behavior.
+-->
+
+
+### How can we reproduce it?
+
+<!--
+Help us to reproduce your bug as succinctly and precisely as possible. Any and
+all steps or script that triggers the issue are highly appreciated!
+
+Do you have long logs to share? Please use collapsible sections, that can be created via:
+
+<details><summary>SECTION_NAME</summary>
+
+```bash
+YOUR_LOG_HERE
+```
+
+</details>
+-->
+
+
+### Environment information
+
+
+<details><summary><code>renovate.json</code></summary>
+
+```json
+INSERT_renovate.json_CONTENT_HERE
+```
+
+</details>

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+labels:
+- feature
+---
+
+<!--
+Thank you for helping to improve renovate-config!
+
+Please be sure to search for open issues before raising a new one. We use issues
+for bug reports and feature requests. Please note, this template is for feature
+requests, not bugs report.
+-->
+
+### What problem are you facing?
+
+<!--
+Please tell us a little about your use case - it's okay if it's hypothetical!
+Leading with this context helps frame the feature request so we can ensure we
+implement it sensibly.
+--->
+
+
+### How could renovate-config help solve your problem?
+
+<!--
+Let us know how you think renovate-config could help with your use case.
+-->

.github/PULL_REQUEST_TEMPLATE.md

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+<!--
+Thank you for helping to improve renovate-config!
+-->
+
+Put an `x` into the box if that apply:
+
+- [ ] This PR introduces breaking change.
+- [ ] This PR fixes a bug.
+- [ ] This PR adds new functionality.
+- [ ] This PR enhances existing functionality.
+
+### Description of your changes
+
+<!--
+Briefly describe what this pull request does. Be sure to direct your reviewers'
+attention to anything that needs special consideration.
+We love pull requests that resolve an open renovate-config issue. If yours does, you
+can uncomment the below line to indicate which issue/Jira ticket your PR fixes, for example
+"Fixes #123456":
+-->
+
+<!-- Fixes # -->
+<!-- Ticket: -->
+
+### How it was tested
+
+<!--
+Before reviewers can be confident in the correctness of this pull request, it
+needs to tested and shown to be correct. Briefly describe the testing that has
+already been done or which is planned for this change.
+-->
+
+
+
+<!--
+Last minute questions to consider, please make sure to note the below:
+
+- Does this change require an update to any other applications or third-party libraries?
+- Is this change blocked by anything else?
+- Does this change require actions outside this PR? For example, updating secrets or keys?
+-->