feat: scaffold backend and shared library

.github/copilot-instructions.md

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+- [x] Verify that the copilot-instructions.md file in the .github directory is created.
+
+- [x] Clarify Project Requirements
+	
+- [x] Scaffold the Project
+	
+- [x] Customize the Project
+	
+- [x] Install Required Extensions
+	
+- [x] Compile the Project
+	
+- [x] Create and Run Task
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+- [ ] Launch the Project
+	
+- [x] Ensure Documentation is Complete
+
+- Work through each checklist item systematically.
+- Keep communication concise and focused.
+- Follow development best practices.