chore(config): add custom local config example

config.custom.json

@@ -0,0 +1,43 @@
+{
+    "default_server_config": {
+        "m.homeserver": {
+            "base_url": "https://matrix.jika.li",
+            "server_name": "matrix.jika.li"
+        }
+    },
+    "disable_custom_urls": false,
+    "disable_guests": true,
+    "disable_login_language_selector": false,
+    "disable_3pid_login": false,
+    "branding": {
+        "welcome_background_url": "https://wallpapers.com/images/hd/cat-background-rvgzxo1qpwx60m5w.jpg"
+    },
+    "force_verification": true,
+    "brand": "BebUwU",
+    "integrations_ui_url": null,
+    "integrations_rest_url": null,
+    "integrations_widgets_urls": [],
+    "default_widget_container_height": 280,
+    "default_country_code": "BE",
+    "show_labs_settings": false,
+    "features": {},
+    "default_federate": true,
+    "default_theme": "light",
+    "room_directory": {
+        "servers": ["matrix.jika.li"]
+    },
+    "enable_presence_by_hs_url": {
+        "https://matrix.jika.li": false
+    },
+    "setting_defaults": {
+        "breadcrumbs": true
+    },
+    "jitsi": {
+        "preferred_domain": null
+    },
+    "element_call": {
+        "url": null,
+        "brand": null
+    },
+    "map_style_url": "https://api.maptiler.com/maps/streets/style.json?key=fU3vlMsMn4Jb6dnEIFsx"
+}