Add basic authentication to non-GET requests and update library management features

- Integrated express-basic-auth middleware in index.js to secure non-GET routes with basic authentication.
- Updated libraryManager.py to use HTTPBasicAuth for API requests, enhancing security for book management operations.
- Modified public/index.html to improve the user interface with a new search feature and dynamic book table.
- Removed obsolete public/library.html file to streamline the project structure.
- Updated package.json and package-lock.json to include express-basic-auth as a new dependency.

Dockerfile

@@ -0,0 +1,23 @@
+# Use an official Node.js runtime as a parent image
+FROM node:14
+
+# Set the working directory in the container
+WORKDIR /usr/src/app
+
+# Copy package.json and package-lock.json to the working directory
+COPY package*.json ./
+
+# Install any needed packages specified in package.json
+RUN npm install
+
+# Copy the rest of the application code to the working directory
+COPY . .
+
+# Expose the port the app runs on
+EXPOSE 3000
+
+# Define environment variable
+ENV NODE_ENV=production
+
+# Run the application
+CMD ["node", "index.js"]