docs: add GitHub issue templates for bug reports and feature requests (closes #1)

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug Report
+description: Report a reproducible problem or unexpected error in OpenOrbit
+title: "[Bug]: "
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to report an issue! Please provide as much detail as possible to help us investigate and resolve it quickly.
+  - type: textarea
+    id: description
+    attributes:
+      label: Problem Description
+      description: A clear and concise description of the bug.
+      placeholder: Describe what happened...
+    validations:
+      required: true
+  - type: textarea
+    id: steps
+    attributes:
+      label: Steps to Reproduce
+      description: Exact steps to reproduce the behavior.
+      placeholder: |
+        1. Start the application with '...'
+        2. Navigate to '...'
+        3. Click on '...'
+        4. Observe error
+    validations:
+      required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected Behavior
+      description: A clear and concise description of what you expected to happen.
+      placeholder: What did you expect to happen?
+    validations:
+      required: true
+  - type: textarea
+    id: actual
+    attributes:
+      label: Actual Behavior
+      description: What actually occurred, including any error messages or unexpected states.
+      placeholder: What happened instead?
+    validations:
+      required: true
+  - type: textarea
+    id: environment
+    attributes:
+      label: Environment & Versions
+      description: Relevant environment information (OS, Node version, Python version, browser, OpenOrbit version).
+      placeholder: |
+        - OS: [e.g. Linux Ubuntu 22.04 / macOS 14 / Windows 11]
+        - Python version: [e.g. 3.13.0]
+        - Node.js version: [e.g. 24.0.0]
+        - OpenOrbit version: [e.g. v0.8.0 or commit hash]
+    validations:
+      required: true
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional Context
+      description: Add any other context, logs, terminal outputs, or screenshots about the problem here.
+      placeholder: Optional additional logs or screenshots...
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature Request
+description: Propose a new idea, enhancement, or capability for OpenOrbit
+title: "[Feature]: "
+labels: ["enhancement"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for suggesting a feature! Please provide details about what problem this feature solves and how it should work.
+  - type: textarea
+    id: problem
+    attributes:
+      label: Problem Statement / Motivation
+      description: Is your feature request related to a problem or limitation? Please describe.
+      placeholder: A clear and concise description of what the problem or use case is...
+    validations:
+      required: true
+  - type: textarea
+    id: proposed-solution
+    attributes:
+      label: Proposed Solution & Expected Behavior
+      description: A clear and concise description of what you want to happen and how it should look or behave.
+      placeholder: Describe your proposed design, UI behavior, or API capability...
+    validations:
+      required: true
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives Considered
+      description: Any alternative solutions or workarounds you have considered.
+      placeholder: Optional description of other approaches evaluated...
+    validations:
+      required: false
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional Context
+      description: Add any other context, mockup screenshots, or implementation suggestions here.
+      placeholder: Optional mockups, architectural notes, or links...
+    validations:
+      required: false