feat: Introduce application version display in the frontend footer, showing both frontend and backend versions with integrated build arguments.

frontend/Dockerfile

@@ -4,6 +4,8 @@ WORKDIR /app
 COPY package*.json ./
 RUN npm install
 COPY . .
+ARG VITE_APP_VERSION=dev
+ENV VITE_APP_VERSION=${VITE_APP_VERSION}
 RUN npm run build
 
 # Run stage