chore: initialize repo (#8)

Author: overbalance

.gitignore

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+node_modules
+
+# output
+dist
+*.tgz
+
+# dotenv environment variable files
+.env
+
+# caches
+.cache
+*.tsbuildinfo
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store

.npmrc

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+lockfile-version=3
+include=optional

biome.json

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+{
+  "$schema": "./node_modules/@biomejs/biome/configuration_schema.json",
+  "vcs": {
+    "enabled": true,
+    "clientKind": "git",
+    "useIgnoreFile": false
+  },
+  "files": {
+    "ignoreUnknown": false
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space"
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true
+    }
+  },
+  "javascript": {
+    "formatter": {
+      "quoteStyle": "single"
+    }
+  },
+  "assist": {
+    "enabled": true,
+    "actions": {
+      "source": {
+        "organizeImports": "on"
+      }
+    }
+  }
+}

package-lock.json

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+{
+  "name": "opentelemetry-browser",
+  "version": "0.0.0",
+  "description": "OpenTelemetry is a distributed tracing and stats collection framework.",
+  "keywords": [
+    "opentelemetry",
+    "observability",
+    "browser",
+    "web"
+  ],
+  "homepage": "https://github.com/open-telemetry/opentelemetry-browser",
+  "bugs": "https://github.com/open-telemetry/opentelemetry-browser/issues",
+  "license": "Apache-2.0",
+  "author": "OpenTelemetry Authors",
+  "repository": "github:open-telemetry/opentelemetry-browser",
+  "type": "module",
+  "private": true,
+  "scripts": {
+    "lint": "biome format --write ."
+  },
+  "devDependencies": {
+    "@biomejs/biome": "2.2.5"
+  },
+  "peerDependencies": {
+    "typescript": "5.9.3"
+  }
+}

package.json

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+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "compilerOptions": {
+    // Environment setup & latest features
+    "lib": ["ES2022", "DOM"],
+    "target": "ES2022",
+    "module": "ESNext",
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "erasableSyntaxOnly": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+
+    // Some stricter flags
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noPropertyAccessFromIndexSignature": true
+  }
+}