Add issue templates

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug Report
+description: Report a bug or unexpected behavior
+title: "[Bug] <brief description>"
+labels: [bug]
+assignees: []
+
+body:
+  - type: markdown
+    attributes:
+      value: |
+        ### Thanks for reporting a bug!
+        Please fill out the form below with as much detail as possible.
+
+  - type: input
+    id: swift_version
+    attributes:
+      label: Swift Version
+      placeholder: "e.g. 6.1"
+    validations:
+      required: true
+
+  - type: input
+    id: package_version
+    attributes:
+      label: Package Version
+      placeholder: "e.g. 1.2.0 or main"
+    validations:
+      required: true
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Bug Description
+      description: A clear and concise description of the bug.
+      placeholder: "What happened?"
+    validations:
+      required: true
+
+  - type: textarea
+    id: steps
+    attributes:
+      label: Steps to Reproduce
+      description: Describe the steps needed to reproduce the issue.
+      placeholder: "If describing an issue related to code, please provide an isolated code example that demonstrates the issue using as little code as possible."
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected_behavior
+    attributes:
+      label: Expected Behavior
+      description: What did you expect to happen?
+    validations:
+      required: false
+
+  - type: textarea
+    id: actual_behavior
+    attributes:
+      label: Actual Behavior
+      description: What actually happened?
+    validations:
+      required: false
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Stack Trace / Logs
+      description: Paste any error messages or logs.
+      render: shell
+    validations:
+      required: false
+
+  - type: textarea
+    id: additional_context
+    attributes:
+      label: Additional Context
+      description: Add screenshots, links to related issues, or any other useful info.
+    validations:
+      required: false
+
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/fetch-rewards/SwiftSyntaxSugar/blob/main/CODE_OF_CONDUCT.md). 
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature Request
+description: Suggest a new feature or enhancement
+title: "[Feature] <brief description>"
+labels: [enhancement]
+assignees: []
+
+body:
+  - type: markdown
+    attributes:
+      value: |
+        ### Got an idea?
+        Share your feature request or enhancement so we can consider adding it.
+
+  - type: input
+    id: use_case
+    attributes:
+      label: Use Case
+      description: What problem does this feature solve?
+      placeholder: "I'm trying to..."
+    validations:
+      required: true
+
+  - type: textarea
+    id: proposal
+    attributes:
+      label: Feature Proposal
+      description: Describe the feature you’d like to see.
+      placeholder: "I would like to see..."
+    validations:
+      required: true
+
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives Considered
+      description: Have you considered any alternatives or workarounds?
+      placeholder: "I've tried..."
+    validations:
+      required: false
+
+  - type: textarea
+    id: additional_context
+    attributes:
+      label: Additional Context
+      description: Add screenshots, examples, or any other helpful information.
+    validations:
+      required: false
+
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/fetch-rewards/SwiftSyntaxSugar/blob/main/CODE_OF_CONDUCT.md). 
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true