Installing GitLab on Raspberry Pi 64-bit OS

This post details a manual workaround for installing GitLab CE on Raspberry Pi OS (64-bit) when official ARM64 support is not yet available. It outlines the steps to manually add Debian Buster repositories to `apt` sources to enable installation, bypassing the standard script's limitations. This contributes to the broader effort of expanding GitLab's installation compatibility to new platforms.