Add variable to cgrates role to decide whether to clone the repo

Sometimes we want to use the already existing repo without overwriting. Defaults to true (will
clone).

data/ansible/roles/install_cgrates/defaults/main.yaml

@@ -1,5 +1,6 @@
 ---
 golang_gopath: "/home/{{ ansible_user }}/go"
+clone_repository: true
 cgrates_dir: "{{ golang_gopath }}/src/github.com/cgrates/cgrates"
 golang_install_dir: /usr/local/go
 git_version: "master"
@@ -10,4 +11,4 @@ cgrates_dependencies:
   - redis-server
   - mariadb-server
   - make
-  - gcc
+  - gcc

data/ansible/roles/install_cgrates/tasks/main.yaml

@@ -13,6 +13,7 @@
     mode: "u=rwx,go=rx"
     owner: "{{ ansible_user }}"
     dest: "{{ cgrates_dir }}"
+  when: clone_repository
 
 - name: Git clone cgrates
   ansible.builtin.git:
@@ -21,6 +22,7 @@
     update: yes
     force: yes
     version: "{{ git_version }}"
+  when: clone_repository
 
 - name: Build cgrates
   ansible.builtin.command: