Migrate to issue forms

.github/ISSUE_TEMPLATE/0-core-bug.yml

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+name: '🐛 Framework Bug'
+description: Report a bug in Mithril.js core
+assignees: dead-claudia
+labels:
+- 'Type: Bug'
+- 'Area: Core'
+body:
+- type: checkboxes
+  attributes:
+    label: Is there an existing issue for this?
+    description: Please search to see if an issue already exists for the bug you encountered.
+    options:
+    - label: I have searched the existing issues
+      required: true
+- type: input
+  attributes:
+    label: Mithril.js Version
+    description: |
+      Provide the exact version of Mithril.js you're experiencing these issues with. This
+      matters, even if it's really old like version 0.1.0. Do note that bugs in older
+      versions are commonly fixed in newer versions, so you should try to test it
+      against the latest version if you can.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Browser and OS
+    description: |
+      Provide the name and version of both the browser and operating system you're
+      experiencing these issues with. If it's multiple, feel free to list multiple.
+      This matters, even if it's super ancient.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Project
+    description: |
+      (Optional) Provide a link to your project, if it happens to be open source or if
+      you created a repo somewhere that we can look into further. If it's spread across
+      multiple repos or projects, feel free to list them all.
+- type: textarea
+  attributes:
+    label: Code
+    description: |
+      What did you try? What code is causing the unexpected behavior? Make sure to
+      try to reduce your code as best as you can while still reproducing the bug, so
+      we can more accurately determine the cause. Ideally, it should just be a bunch
+      of Mithril.js calls with virtually no logic at all, but it's sufficient to just
+      remove unrelated network calls, attributes, and the like.
+
+      In addition, make sure the bug still persists with the latest version of
+      Mithril. If it's an older version, the bug may have already been fixed.
+
+      If you'd prefer, replace this code block with a link to a code playground like
+      any of these:
+
+      - Flems <https://flems.io/mithril> (stores everything in URL hash)
+      - JSFiddle <https://jsfiddle.net>
+      - CodePen <https://codepen.io>
+      - JSBin <https://jsbin.com>
+      - Plunker <https://plnkr.co>
+      - Glitch <https://glitch.com> (supports backend)
+      - CodeSandbox <https://codesandbox.io> (supports backend)
+
+      Or if it's a remote development project on your own server, feel free to provide
+      that if it's serving unminified code we can look at.
+
+      If it's a closed-source repo, it's okay to censor names and pull out irrelevant
+      logic - we'd rather not sign NDAs just to see the code you're having trouble
+      with. We do still need code of some kind that triggers the bug you're running
+      into.
+    render: javascript
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Steps to Reproduce
+    description: |
+      What steps need to be taken to reproduce this behavior? Please include things
+      like specific data that need typed in, specific buttons that need clicked, and
+      so on.
+    placeholder: |
+      1.
+      2.
+      3.
+      4.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Expected Behavior
+    description: |
+      What did you expect to happen?
+
+      - An alert to pop up?
+      - A specific thing to be logged?
+
+      Please be very specific here.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Observed Behavior
+    description: |
+      What actually happened?
+
+      - The alert never showed?
+      - The wrong thing was logged?
+
+      Please be very specific here.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Context
+    description: |
+      (Optional) How is this issue affecting you? What are you trying to do? Providing
+      us context helps us reach a solution that best fits your particular needs.

.github/ISSUE_TEMPLATE/1-docs-bug.yml

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+name: '📃 Documentation Issue'
+description: Report an issue with Mithril.js's documentation
+assignees: dead-claudia
+labels:
+- 'Type: Bug'
+- 'Area: Documentation'
+body:
+- type: checkboxes
+  attributes:
+    label: Is there an existing issue for this?
+    description: Please search to see if an issue already exists for the bug you encountered.
+    options:
+    - label: I have searched the existing issues
+      required: true
+- type: input
+  attributes:
+    label: Offending URL
+    description: Provide a link to the page with the issue
+    placeholder: https://mithril.js.org/
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Issue description
+    description: What is the precise issue with it. Please be specific.
+  validations:
+    required: true

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: true
+contact_links:
+  - name: ℹ Questions, Ideas, and Discussions
+    url: https://github.com/MithrilJS/mithril.js/discussions
+    about: |
+      Got a question on how to use Mithril.js? Have a fancy idea of how we could do better? Check
+      out our discussions forum!
+  - name: ℹ Show and Tell
+    url: https://github.com/MithrilJS/mithril.js/discussions/new?category=show-and-tell
+    about: |
+      Got something to show off? Made something so cool, you just have to tell the world? Let us
+      know here in our discussions forum!
+  - name: 🚀 Feature Request or Enhancement
+    url: https://github.com/MithrilJS/mithril.js/discussions/new?category=ideas
+    about: Got a feature request? Let us know here! We do those in our discussion forum.
+  - name: 💻 Zulip Chat
+    url: https://mithril.zulipchat.com/
+    about: Not sure about something? Just want to hang out? Come over to our Zulip chat!