重构项目结构：整理gitignore，移动source目录到根目录，统一依赖管理

tsconfig.json

@@ -0,0 +1,45 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "ES2020",
+    "moduleResolution": "node",
+    "lib": ["ES2020", "DOM"],
+    "outDir": "./bin",
+    "rootDir": "./src",
+    "strict": true,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "removeComments": false,
+    "noImplicitAny": true,
+    "noImplicitReturns": true,
+    "noImplicitThis": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "exactOptionalPropertyTypes": false,
+    "noImplicitOverride": true,
+    "noPropertyAccessFromIndexSignature": false,
+    "noUncheckedIndexedAccess": false,
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
+    "importHelpers": false,
+    "downlevelIteration": true,
+    "isolatedModules": false,
+    "allowJs": true,
+    "resolveJsonModule": true
+  },
+  "include": [
+    "src/**/*"
+  ],
+  "exclude": [
+    "node_modules",
+    "bin",
+    "src/wasm/**/*",
+    "**/*.test.ts",
+    "**/*.spec.ts"
+  ]
+}