feat: move all publishers over to the backend common way to interact with git scm

packages/backend-common/src/scm/git.ts

@@ -25,6 +25,8 @@ GitHub App 	token	          'x-access-token'
 BitBucket	  'x-token-auth'	token
 GitLab      'oauth2'	      token
 From : https://isomorphic-git.org/docs/en/onAuth
+
+Azure       'notempty'      token
 */
 class SCM {
   constructor(

packages/backend-common/src/scm/index.ts

@@ -13,4 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-export * as Git from './git';
+import * as Git from './git';
+
+export { Git };