Revise BUILD-GUIDE and enhance ISO build process

- Updated BUILD-GUIDE.md to streamline instructions for building the Archipelago Auto-Installer ISO, including prerequisites and post-installation steps.
- Added detailed sections on capturing the live server state and building from source.
- Enhanced Docker and Podman integration in build scripts for improved backend and web UI capture.
- Introduced new app metadata for "IndeedHub" in the Docker package scanner and updated UI components for better installation progress tracking.
- Improved styling and functionality in the Bitcoin UI for a more cohesive user experience.

docker/bitcoin-ui/Dockerfile

@@ -0,0 +1,19 @@
+FROM docker.io/library/nginx:alpine
+
+# Copy the static UI
+COPY index.html /usr/share/nginx/html/
+
+# Create assets directories first
+RUN mkdir -p /usr/share/nginx/html/assets/img/app-icons && \
+    mkdir -p /usr/share/nginx/html/assets/img
+
+# Copy Bitcoin Knots icon and background
+COPY bitcoin-knots.webp /usr/share/nginx/html/assets/img/app-icons/
+COPY bg-network.jpg /usr/share/nginx/html/assets/img/
+
+# Copy custom Nginx config with Bitcoin RPC proxy
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]