updater

- introduce updater.host
- allow dev branch
- minor improvements

addon_updater.py

@@ -1740,11 +1740,15 @@ class ForgejoEngine:
     """Integration to Forgejo/Gitea API"""
 
     def __init__(self):
-        self.api_url = 'https://git.pointer.click'
+        # the api_url may be overwritten by form_repo_url
+        # if updater.host is set
+        self.api_url = 'https://codeberg.org'
         self.token = None
         self.name = "forgejo"
 
     def form_repo_url(self, updater):
+        if updater.host:
+            self.api_url = "https://" + updater.host
         return "{}/api/v1/repos/{}/{}".format(self.api_url, updater.user, updater.repo)
 
     def form_tags_url(self, updater):