feat: initialize ingest-api with Koa and telemetry handling

- Create ingest-api with Koa framework for handling device telemetry.
- Implement telemetry ingestion with MongoDB, Redis, and PostgreSQL.
- Add API endpoints for telemetry and health checks.
- Set up testing with Vitest for unit and end-to-end tests.
- Configure Prettier and ESLint for code formatting and linting.
- Create Docker Compose setup for PostgreSQL, MongoDB, and Redis services.
- Establish contracts package for shared Zod schemas and TypeScript types.
- Implement React frontend with device status and greeting functionalities.
- Add VS Code setup documentation for onboarding developers.

docs/vscode-setup/fresh-grad-checklist.md

@@ -0,0 +1,33 @@
+# Fresh Grad Checklist for VS Code Setup
+
+Use this in order. Do not skip steps.
+
+## 10-Minute Quick Path
+
+1. Open repo root in VS Code
+2. Run yarn install at root
+3. Run yarn dlx @yarnpkg/sdks vscode
+4. Select TypeScript workspace version
+5. Restart TypeScript server
+6. Run API debug profile
+7. Run Web debug profile
+8. Open Full Stack Debug
+
+## If Something Breaks
+
+1. Rerun yarn install
+2. Check workspace names with yarn workspaces list --json
+3. Ensure api name in apps/api/package.json is correct
+4. Confirm .vscode settings include typescript.tsdk
+5. Reload VS Code window
+
+## What to Ask for Help With
+
+- Private registry token access issues
+- Workspace naming mismatches
+- Dependency added to wrong workspace
+- Debug profile not attaching on port 9229
+
+## Golden Rule
+
+When in doubt, run commands from repo root first, then target a specific workspace.