Improve issue templates

.github/ISSUE_TEMPLATE/bug.yml

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+name: Bug Report
+description: Something went awry
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Need help or support?
+        Please don't open an issue! Head to https://stackoverflow.com/questions/tagged/chart.js.
+
+  - type: markdown
+    attributes:
+      value: "Bug reports MUST be submitted with an interactive example: https://codepen.io/pen?template=BapRepQ."
+
+  - type: markdown
+    attributes:
+      value: Chart.js versions lower then 3.x are NOT supported anymore, new issues will be disregarded.
+
+  - type: textarea
+    attributes:
+      label: Expected behavior
+      description: Tell us what should happen.
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Current behavior
+      description: Tell us what happens instead of the expected behavior.
+    validations:
+      required: true
+
+  - type: input
+    attributes:
+      label: Reproducable sample
+      description: |
+        Please provide issue reproduction.
+        You can use [this codepen](https://codepen.io/pen?template=BapRepQ) to make a reproducable sample.
+
+        If filing a bug against `master`, you may reference the latest code via
+        https://www.chartjs.org/dist/master/chart.min.js (changing the filename to
+        point at the file you need as appropriate). Do not rely on these files for
+        production purposes as they may be removed at any time.
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Optional extra steps/info to reproduce
+
+  - type: textarea
+    attributes:
+      label: Possible solution
+      description: If you have suggestions on a fix for the bug.
+
+  - type: textarea
+    attributes:
+      label: Context
+      description: |
+        How has this issue affected you? What are you trying to accomplish?
+        Providing context helps us come up with a solution that is most useful in the real world.
+
+  - type: input
+    attributes:
+      label: chart.js version
+      description: Which version of `chart.js` are you using?
+      placeholder: "v0.0.0"
+    validations:
+      required: true
+
+  - type: input
+    attributes:
+      label: Browser name and version
+
+  - type: input
+    attributes:
+      label: Link to your project

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: Support, Help, and Advice
+    url: https://stackoverflow.com/questions/tagged/chart.js
+    about: Need help or support? Head to https://stackoverflow.com/questions/tagged/chart.js

.github/ISSUE_TEMPLATE/docs.yml

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+name: Documentation
+description: Are the docs lacking or missing something?
+labels: ["documentation"]
+body:
+  - type: checkboxes
+    attributes:
+      label: "Documentation Is:"
+      options:
+        - label: Missing or needed?
+        - label: Confusing
+        - label: Not sure?
+
+  - type: textarea
+    attributes:
+      label: Please Explain in Detail...
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Your Proposal for Changes
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/feature.yml

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+name: Feature Request
+description: Suggest an idea
+labels: ["enhancement"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Most features should start as plugins outside of Chart.js
+        (https://www.chartjs.org/docs/#advanced-usage-creating-plugins).
+        Please consider whether your changes are useful for all users, or if this is
+        specific to your usecase and a Chart.js plugin would be more appropriate.
+
+        Need help or tech support? Please don't open an issue!
+        Head to https://stackoverflow.com/questions/tagged/chart.js
+
+  - type: textarea
+    attributes:
+      label: Feature Proposal
+      description: |
+        What are you trying to accomplish?
+        Providing context helps us come up with a solution that is most useful in the real world
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Possible Implementation
+      description: Not obligatory, but suggest ideas for how to implement the addition or change