Started over with submodules firefox, this time using https

.gitmodules

@@ -46,3 +46,6 @@
 [submodule "roles/tailscale"]
 	path = roles/tailscale
 	url = https://codeberg.org/ansible/tailscale.git
+[submodule "roles/browser-firefox"]
+	path = roles/browser-firefox
+	url = https://codeberg.org/ansible/browser-firefox.git

README.md

@@ -66,7 +66,8 @@ $ git submodule add https://codeberg.org/ansible/dotfiles.git roles/dotfiles
 Note that if the submodule has submodules of its own, they must be added in a separate
 step by first entering the root of the submodule, then
 ```
-git submodule update --init --recursive
+$ cd roles/browser-firefox
+$ git submodule update --init --recursive
 ```
 
 Update all the roles from their respective remotes:

roles/browser-firefox

@@ -0,0 +1 @@
+Subproject commit 759dda9080a9da20ac60b0b69b02ef0c1db11c45