added forge first version

services/forge/clone.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -Eeuox pipefail
+
+mkdir -p /repositories/"$1"
+cd /repositories/"$1"
+git init
+git remote add origin "$2"
+git fetch origin "$3" --depth=1
+git reset --hard "$3"
+rm -rf .git