feat: Initialize test-ai-sdk project with Bun

- Add README.md with installation and usage instructions.
- Create bun.lock and pnpm-lock.yaml for dependency management.
- Implement main functionality in index.ts to test AI providers.
- Add opencode.json configuration for various AI providers.
- Create package.json to define project dependencies and scripts.
- Add TypeScript configuration in tsconfig.json for project setup.
- Implement test scripts for different AI providers in src directory.

package.json

@@ -0,0 +1,20 @@
+{
+  "name": "test-ai-sdk",
+  "module": "index.ts",
+  "type": "module",
+  "private": true,
+  "devDependencies": {
+    "@types/bun": "latest",
+    "dotenv": "^17.2.3"
+  },
+  "peerDependencies": {
+    "typescript": "^5"
+  },
+  "dependencies": {
+    "@ai-sdk/anthropic": "^3.0.35",
+    "@ai-sdk/openai": "^3.0.25",
+    "@ai-sdk/openai-compatible": "^2.0.26",
+    "@kevisual/ai": "^0.0.24",
+    "ai": "^6.0.67"
+  }
+}