Update requirement files with new feature templates and fix backend API error message, along with mobile project config updates and documentation improvements

03_source/mobile.trunk/dockerfile

@@ -0,0 +1,15 @@
+# Use official Node 18 base image
+FROM node:20-slim
+
+# Install pnpm globally
+# RUN npm install -g pnpm
+
+# Set working directory
+WORKDIR /app
+
+# Copy your application code (optional, comment out if not needed)
+# COPY . /app
+# RUN yarn
+
+# Default command (optional)
+CMD ["npm run start"]