added a section about installing homebrew for macs
added a section about installing homebrew for macs

Note that I do not have a mac, so I cannot test the instructions for installing homebrew. If someone would like to confirm or update the instructions as needed, that would be great.
HeisenBugDev/HeisenBugDev-Mod-Hosting,bodefuwa/HeisenBugDev-Mod-Hosting,HeisenBugDev/HeisenBugDev-Mod-Hosting,HeisenBugDev/HeisenBugDev-Mod-Hosting,bodefuwa/HeisenBugDev-Mod-Hosting,bodefuwa/HeisenBugDev-Mod-Hosting