Add github issue template

.github/ISSUE_TEMPLATE/BUG-FORM.yml

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+name: Bug report
+description: File a bug report
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please ensure that the bug has not already been filed in the issue tracker.
+
+        Thanks for taking the time to report this bug!
+  - type: dropdown
+    attributes:
+      label: Component
+      description: What component is the bug in?
+      multiple: true
+      options:
+        - API
+        - Utils
+        - Other (please describe)
+    validations:
+      required: true
+  - type: checkboxes
+    attributes:
+      label: Have you ensured that all of these are up to date?
+      options:
+        - label: opensea-js
+        - label: Node (minimum v16)
+  - type: input
+    attributes:
+      label: What version of opensea-js are you on?
+  - type: input
+    attributes:
+      label: What function is the bug in?
+      description: Leave empty if not relevant
+      placeholder: "For example: fulfillOrder"
+  - type: dropdown
+    attributes:
+      label: Operating System
+      description: What operating system are you on?
+      options:
+        - Windows
+        - macOS (Intel)
+        - macOS (Apple Silicon)
+        - Linux
+  - type: textarea
+    attributes:
+      label: Describe the bug
+      description: Please include relevant code snippets as well that can recreate the bug.
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/FEATURE-FORM.yml

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+name: Feature request
+description: Suggest a feature
+labels: ["dev-feature-request"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please ensure that the feature has not already been requested in the issue tracker.
+
+        Thanks for helping us improve opensea-js!
+  - type: dropdown
+    attributes:
+      label: Component
+      description: What component is the feature for?
+      multiple: true
+      options:
+        - API
+        - Utils
+        - Other (please describe)
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Describe the feature you would like
+      description: Please also describe what the feature is aiming to solve, if relevant.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Additional context
+      description: Add any other context to the feature (like screenshots, resources)

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: true
+contact_links:
+  - name: Support
+    url: https://github.com/ProjectOpenSea/opensea-js/discussions
+    about: This issue tracker is only for bugs and feature requests. Support is available in Discussions!