Bug 2067852 - Migrate rst docs to markdown and host inside of bugzilla itself

.vscode/settings.json

@@ -17,6 +17,5 @@
     },
     "search.exclude": {
         "**/local": true
-    },
-    "esbonio.sphinx.confDir": "${workspaceFolder}/docs/en/rst/conf.py"
+    }
 }

Bugzilla/API/V1/BugComment.pm

@@ -467,7 +467,7 @@ sub _updates_disabled {
       error         => 1,
       code          => ERROR_UNKNOWN_TRANSIENT,
       message       => 'Bug updates are currently disabled.',
-      documentation => 'https://bmo.readthedocs.io/en/latest/api/',
+      documentation => Bugzilla->localconfig->urlbase . 'docs/en/md/api/index.md',
     },
     status => REST_STATUS_CODE_MAP()->{_default}
   );

Bugzilla/API/V1/Group.pm

@@ -322,5 +322,5 @@ information about Groups.
 =head1 DESCRIPTION
 
 This part of the Bugzilla API allows you to create Groups and get
-information about them. See L<docs/en/rst/api/core/v1/group.rst> for the
+information about them. See L<docs/en/md/api/core/v1/group.md> for the
 public REST documentation.