Add js whitelist for gmaps, gmail. Fix tab display

Tab titles need a number in front for quick <number>gm movement. Google
maps and Google mail do not work without javascript.

.config/qutebrowser/config.py

@@ -27,6 +27,8 @@ js_whitelist = [
     "*://news.ycombinator.com/*",
     "*://reddit.com/*",
     "*://translate.google.com/*",
+    "*://maps.google.com/*",
+    "*://mail.google.com/*",
     "*://todoist.com/*",
     "*://toggl.com/*",
     "file://*",
@@ -45,7 +47,7 @@ c.editor.command = ["alacritty", "-e", "nvim", "-f", "{file}"]
 # Tab-Bar
 # have tab bar on the right, not on the top
 c.tabs.background = True
-c.tabs.title.format = '{perc}{current_title}'
+c.tabs.title.format = '{index} {audio}{perc}{current_title}{title_sep}'
 c.tabs.position = "right"
 c.tabs.width = "15%"