build(deployment): use sibling repos as docker build context

frontend/.env.sample

@@ -1 +1 @@
-VITE_API_BASE_URL=http://localhost/api
+VITE_API_BASE_URL=http://localhost/api

frontend/Dockerfile

@@ -4,11 +4,11 @@ WORKDIR /app
 
 RUN npm config set registry https://package-mirror.liara.ir/repository/npm/ --global
 
-COPY qlockify-frontend/package*.json ./
-RUN npm install
-
-COPY qlockify-frontend/ .
-RUN npm run build 
+COPY qlockify-frontend/package*.json ./
+RUN npm install
+
+COPY qlockify-frontend/ .
+RUN npm run build 
 
 FROM nginx:alpine