firefox: Add profile option with bigger fonts

autostart/autostart.target.j2

@@ -6,8 +6,15 @@ Wants=blueman.service
 Wants=dpms.service
 Wants=dunst.service
 Wants=element.service
-{% for profile in (user.firefox_profiles|default({})).keys() %}
+{% for profile, config in (user.firefox_profiles|default({})).items() %}
+{% if config.bigger_font|default(false) is sameas false %}
 Wants=firefox@{{ profile }}.service
+{% endif %}
+{% endfor %}
+{% for profile, config in (user.firefox_profiles|default({})).items() %}
+{% if config.bigger_font|default(false) is sameas true %}
+Wants=firefox-gtk-override-bigger-font@{{ profile }}.service
+{% endif %}
 {% endfor %}
 Wants=gpg-agent.service
 Wants=gnome-keyring.service

autostart/services/firefox-gtk-override-bigger-font@.service

@@ -0,0 +1,9 @@
+[Unit]
+BindsTo=autostart.target
+After=windowmanager.target
+
+[Service]
+ExecStart=/usr/bin/env firefox --setDefaultBrowser -P %i
+PassEnvironment=DISPLAY
+Environment=XDG_CONFIG_HOME=%h/.config/gtk-3.0-overrides/bigger-font/
+Restart=always