initialize go mod

initialize.sh

@@ -9,3 +9,8 @@ fi
 if [ ! -f "config.yaml" ]; then
   cp config.yaml.example config.yaml
 fi
+
+if [ ! -f "go.mod" ]; then
+  module_name=$(git remote get-url origin | sed 's|^https://||')
+  go mod init "$module_name"
+fi