ng/bootstrap-theme submodule: changed remote url to public https

.gitmodules

@@ -1,4 +1,4 @@
 [submodule "ng/bootstrap-theme"]
 	path = ng/bootstrap-theme
-	url = ssh://git@gogs.hostbbq.com:8301/hostbbq/bootstrap-theme.git
+	url = https://gogs.hostbbq.com/hostbbq/bootstrap-theme.git
 	branch = master