chore: add PULL_REQUEST_TEMPLATE and ISSUE_TEMPLATE

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: "\U0001F41E Bug report"
+description: Report an issue with TNF
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report! **Before you start, make sure you have the latest versions of the packages you're using.**
+  - type: textarea
+    id: bug-description
+    attributes:
+      label: Describe the bug
+      description: 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: reproduction
+    attributes:
+      label: Reproduction
+      description: A link to a repository, or text descriptions, that reproduces the issue. Reproductions must be [short, self-contained and correct](http://sscce.org/) and must not contain files or code that aren't relevant to the issue — please do NOT just paste a link to your project. Explaining how to reproduce is generally not enough. It pushes the burden of creating a reproduction project onto a small set of volunteer maintainers and isn't scalable. If no reproduction is provided, the issue will be closed.
+      placeholder: Reproduction
+    validations:
+      required: true
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs
+      description: "Please include browser console and server logs around the time this bug occurred. Please try not to insert an image but copy paste the log text."
+      render: Shell
+  - type: dropdown
+    id: severity
+    attributes:
+      label: Severity
+      options:
+        - annoyance
+        - serious, but I can work around it
+        - blocking all usage of TNF
+    validations:
+      required: true
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional Information

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: "Feature Request"
+description: Suggest an idea for this project
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to request this feature! If your feature request is complex or substantial enough to warrant in-depth discussion, maintainers may close the issue and ask you to open an RFC.
+  - type: textarea
+    id: problem
+    attributes:
+      label: Problem
+      description: Please provide a clear and concise description the problem this feature would solve. The more information you can provide here, the better.
+      placeholder: I'm always frustrated when...
+    validations:
+      required: true
+  - type: textarea
+    id: solution
+    attributes:
+      label: Solution
+      description: Please provide a clear and concise description of what you would like to happen.
+      placeholder: I would like to see...
+    validations:
+      required: true
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives
+      description: "Please provide a clear and concise description of any alternative solutions or features you've considered."
+  - type: dropdown
+    id: importance
+    attributes:
+      label: Importance
+      description: How important is this feature to you?
+      options:
+        - nice to have
+        - would make my life easier
+        - i cannot use TNF without it
+    validations:
+      required: true
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional Information
+      description: Add any other context or screenshots about the feature request here.

.github/PULL_REQUEST_TEMPLATE.md

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+<!-- Your PR description here -->
+
+---
+
+### Please don't delete this checklist! Before submitting the PR, please make sure you do the following:
+
+- [ ] It's really useful if your PR references an issue where it is discussed ahead of time. In many cases, features are absent for a reason. For large changes, please create an RFC.
+- [ ] This message body should clearly illustrate what problems it solves.
+- [ ] Ideally, include a test that fails without this PR but passes with it.
+
+### Tests
+
+- [ ] Run the tests and other checks with `pnpm ci`
+
+### Changesets
+
+- [ ] If your PR makes a change that should be noted in one or more packages' changelogs, generate a changeset by running `pnpm changeset` and following the prompts. Changesets that add features and fix bugs should all be `patch` before we release `0.1.0`. Please prefix changeset messages with `feat:`, `fix:`, or `chore:`.
+
+### Edits
+
+- [ ] Please ensure that 'Allow edits from maintainers' is checked. PRs without this option may be closed.