**chore: update README, add image to package files, bump version to 0.9.3**

### Changes:
- **README.md**:
  - Updated `Brainy Logo` image URL to reference a specific commit for consistent display.
  - Simplified the description by removing "lightweight" for a more concise statement.

- **package.json**:
  - Added `brainy.png` to the `files` array to include it in published packages.

- **src/utils/version.ts**:
  - Updated `VERSION` constant from `0.9.2` to `0.9.3`.

### Purpose:
Aligned the documentation with a specific asset version for consistent display. Improved package completeness by including the project logo. Incremented the version to `0.9.3` to reflect the latest changes.

package.json

@@ -72,7 +72,8 @@
     "dist/types/",
     "LICENSE",
     "README.md",
-    "cli-wrapper.js"
+    "cli-wrapper.js",
+    "brainy.png"
   ],
   "devDependencies": {
     "@rollup/plugin-commonjs": "^25.0.7",