README.md: Add Linuxbrew Community
README.md: Add Linuxbrew Community

Rename Community to Homebrew for macOS Community

Linuxbrew/brew,Linuxbrew/brew,hanxue/linuxbrew,maxim-belkin/brew,rwhogg/brew,rwhogg/brew,Linuxbrew/brew,hanxue/linuxbrew,maxim-belkin/brew,rwhogg/brew,Linuxbrew/brew,maxim-belkin/brew,hanxue/linuxbrew