feat: init web app.

tsconfig.json

@@ -0,0 +1,22 @@
+{
+  "include": [".kktrc.ts", "src"],
+  "compilerOptions": {
+    "jsx": "react-jsx",
+    "target": "esnext",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true,
+    "strict": true,
+    "forceConsistentCasingInFileNames": true,
+    "module": "esnext",
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "declaration": true,
+    "baseUrl": "./src",
+    "noFallthroughCasesInSwitch": true,
+    "noEmit": true
+  }
+}