chore: set up pre-commit hooks and CI/CD workflow

- Add a new GitHub Actions workflow (`lint.yml`)
- Update `CONTRIBUTING.md` and `Development.md` to reflect the new linting setup and guide contributors.
- Include a TypeScript type checking script (`typescript-typecheck.js`)

scripts/typescript-typecheck.js

@@ -0,0 +1,8 @@
+#!/usr/bin/env node
+const { execSync } = require('child_process');
+
+try {
+  execSync('pnpm -C libs/typescript -r run typecheck', { stdio: 'inherit' });
+} catch (err) {
+  process.exit(1);
+}