feat: Standardize issue templates for discussions (#4063)

.github/ISSUE_TEMPLATE/bug-report.yml

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+---
+name: "🐛 Bug Report"
+description: Report a bug
+title: "(short issue description)"
+labels: [bug, needs-triage]
+assignees: []
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: Describe the bug
+      description: What is the problem? A clear and concise description of the bug.
+    validations:
+      required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected Behavior
+      description: |
+        What did you expect to happen?
+    validations:
+      required: true
+  - type: textarea
+    id: current
+    attributes:
+      label: Current Behavior
+      description: |
+        What actually happened?
+        
+        Please include full errors, uncaught exceptions, stack traces, and relevant logs.
+        If service responses are relevant, please include wire logs.
+    validations:
+      required: true
+  - type: textarea
+    id: reproduction
+    attributes:
+      label: Reproduction Steps
+      description: |
+        Provide a self-contained, concise snippet of code that can be used to reproduce the issue.
+        For more complex issues provide a repo with the smallest sample that reproduces the bug.
+        
+        Avoid including business logic or unrelated code, it makes diagnosis more difficult.
+        The code sample should be an SSCCE. See http://sscce.org/ for details. In short, please provide a code sample that we can copy/paste, run and reproduce.
+    validations:
+      required: true
+  - type: textarea
+    id: solution
+    attributes:
+      label: Possible Solution
+      description: |
+        Suggest a fix/reason for the bug
+    validations:
+      required: false
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional Information/Context
+      description: |
+        Anything else that might be relevant for troubleshooting this bug. Providing context helps us come up with a solution that is most useful in the real world.
+    validations:
+      required: false
+  - type: input
+    id: sdk-version
+    attributes:
+      label: SDK version used
+    validations:
+      required: true
+  - type: input
+    id: environment
+    attributes:
+      label: Environment details (OS name and version, etc.)
+    validations:
+        required: true

.github/ISSUE_TEMPLATE/config.yml

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+---
+blank_issues_enabled: false
+contact_links:
+  - name: 💬 General Question
+    url: https://github.com/aws/aws-sdk-js/discussions/categories/q-a
+    about: Please ask and answer questions as a discussion thread

.github/ISSUE_TEMPLATE/documentation.yml

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+---
+name: "📕 Documentation Issue"
+description: Report an issue in the API Reference documentation or Developer Guide
+title: "(short issue description)"
+labels: [documentation, needs-triage]
+assignees: []
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: Describe the issue
+      description: A clear and concise description of the issue.
+    validations:
+      required: true
+
+  - type: textarea
+    id: links
+    attributes:
+      label: Links
+      description: |
+        Include links to affected documentation page(s).
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/feature-request.yml

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+---
+name: 🚀 Feature Request
+description: Suggest an idea for this project
+title: "(short issue description)"
+labels: [feature-request, needs-triage]
+assignees: []
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: Describe the feature
+      description: A clear and concise description of the feature you are proposing.
+    validations:
+      required: true
+  - type: textarea
+    id: use-case
+    attributes:
+      label: Use Case
+      description: |
+        Why do you need this feature? For example: "I'm always frustrated when..."
+    validations:
+        required: true
+  - type: textarea
+    id: solution
+    attributes:
+      label: Proposed Solution
+      description: |
+        Suggest how to implement the addition or change. Please include prototype/workaround/sketch/reference implementation.
+    validations:
+      required: false
+  - type: textarea
+    id: other
+    attributes:
+      label: Other Information
+      description: |
+        Any alternative solutions or features you considered, a more detailed explanation, stack traces, related issues, links for context, etc.
+    validations:
+      required: false
+  - type: checkboxes
+    id: ack
+    attributes:
+      label: Acknowledgements
+      options:
+        - label: I may be able to implement this feature request
+          required: false
+        - label: This feature might incur a breaking change
+          required: false
+  - type: input
+    id: sdk-version
+    attributes:
+      label: SDK version used
+    validations:
+      required: true
+  - type: input
+    id: environment
+    attributes:
+      label: Environment details (OS name and version, etc.)
+    validations:
+        required: true