Support for git hosts other than github (#407)

* Update repository list file

* Add host part to repo name

* Allow git hosts other than github

app/data/stacks/test/stack.yml

@@ -2,7 +2,8 @@ version: "1.0"
 name: test
 description: "A test stack"
 repos:
-  - cerc-io/laconicd
+  - github.com/cerc-io/laconicd
+  - git.vdb.to/cerc-io/test-project
 containers:
   - cerc/test-container
 pods: