chore(config): add shared tsconfig and eslint packages

packages/tsconfig/base.json

@@ -0,0 +1,17 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "strict": true,
+    "noImplicitOverride": true,
+    "noUncheckedIndexedAccess": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "skipLibCheck": true,
+    "resolveJsonModule": true,
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true
+  }
+}

packages/tsconfig/nest-app.json

@@ -0,0 +1,13 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "./base.json",
+  "compilerOptions": {
+    "module": "CommonJS",
+    "moduleResolution": "Node",
+    "lib": ["ES2022"],
+    "types": ["node"],
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
+    "sourceMap": true
+  }
+}

packages/tsconfig/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "@todolist/tsconfig",
+  "version": "0.1.0",
+  "description": "Shared TypeScript config presets for TodoList",
+  "license": "GPL-3.0-or-later",
+  "private": true,
+  "files": [
+    "base.json",
+    "react-app.json",
+    "nest-app.json"
+  ]
+}

packages/tsconfig/react-app.json

@@ -0,0 +1,9 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "./base.json",
+  "compilerOptions": {
+    "lib": ["ES2022", "DOM", "DOM.Iterable"],
+    "jsx": "react-jsx",
+    "types": ["vite/client"]
+  }
+}