feat: Update backend code reloading tool to use air-verse

The backend code reloading tool has been updated to use [air-verse](github.com/air-verse/air) instead of [cosmtrek/air](https://github.com/cosmtrek/air). This change ensures that the backend will be restarted correctly when changes are made to the backend code.

```

README.md

@@ -37,7 +37,7 @@ To support web socket based hot reloading of the frontend, Ngix is configured to
 
 Note: React Dev Tools require ENV `WDS_SOCKET_PORT` to be set to `8080` to work with the proxy, (see [react-app/Dockerfile.dev](react-app/Dockerfile.dev)).
 
-The backend will be restarted when changes are made to the backend code using [air](https://github.com/cosmtrek/air).
+The backend will be restarted when changes are made to the backend code using [air](github.com/air-verse/air).
 
 Go delve remote debugger will be available at [http://localhost:2345](http://localhost:2345) (see [launch.json](.vscode/launch.json)) `Docker: Attach to Go (Delve)` config for debugging the backend in VSCode.
 

go-fiber/Dockerfile.dev

@@ -3,7 +3,7 @@ FROM golang:latest
 WORKDIR /app
 
 # Install git and air
-RUN go install github.com/cosmtrek/air@latest && go install github.com/go-delve/delve/cmd/dlv@latest
+RUN go install github.com/air-verse/air@latest && go install github.com/go-delve/delve/cmd/dlv@latest
 
 # Add $GOPATH/bin to $PATH
 ENV PATH=$PATH:/go/bin