feat: initialize TypeScript configuration and Vitest setup

- Add pnpm workspace configuration to specify built dependencies.
- Create tsconfig.json for TypeScript compiler options and module resolution.
- Add tsconfig.build.json for build-specific TypeScript settings.
- Set up Vitest configuration with path aliasing for testing.

tsconfig.build.json

@@ -0,0 +1,10 @@
+{
+	"extends": "./tsconfig.json",
+	"compilerOptions": {
+		"rootDir": "./src",
+	},
+	"exclude": [
+		"tests/**/*",
+		"vitest.config.ts",
+	]
+}