fix: add brew justfile due to upstream move

files/system/usr/share/ublue-os/just/50-brew.just

@@ -0,0 +1,24 @@
+alias brew := install-brew
+
+# Install Homebrew | https://brew.sh
+install-brew:
+    #!/usr/bin/env bash
+    source /usr/lib/ujust/ujust.sh
+    if [[ ! -f "/var/home/linuxbrew/.linuxbrew/bin" || ! -x "/var/home/linuxbrew/.linuxbrew/bin/brew" ]]; then
+        echo "${b}Brew Installation${n}"
+        echo "Please ${b}IGNORE${n} everything the installer tells you to do at the end"
+        echo "We have already done it for you! You just need to close and re-open the terminal after installation"
+        echo "Do you understand?"
+        echo "Please type in \"YES I UNDERSTAND\" and press enter"
+        read ACCEPT
+        if [ "$ACCEPT" == "YES I UNDERSTAND" ]; then
+          /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+        else
+          echo "Capitalization matters when you type \"YES I UNDERSTAND\""
+        fi
+    fi
+    
+# Removes homebrew from system
+remove-brew:
+    echo "Removing homebrew ..."
+    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/uninstall.sh)"