Move static files to /src directory.

Quoting from here:
```
public: anything that is not used by your app when it compiles.
src: anything that is used when the app is compiled.
```

The project doesn't seem to follow the above practise.

Start by inspecting the repository layout to identify the static files and the application's build entry point; no specific files or tests are named in the issue. Determine which files are used during compilation and which are public assets, then verify the application still builds and runs after any move.

Written by the indexing model from the issue text.