Documentation: doc updates for nesting, reorganizing, fixes

src/skeleton/services.yaml

@@ -1,6 +1,6 @@
 ---
 # For configuration options and examples, please see:
-# https://gethomepage.dev/configs/services
+# https://gethomepage.dev/configs/services/
 
 - My First Group:
     - My First Service:

src/skeleton/settings.yaml

@@ -1,6 +1,6 @@
 ---
 # For configuration options and examples, please see:
-# https://gethomepage.dev/configs/settings
+# https://gethomepage.dev/configs/settings/
 
 providers:
   openweathermap: openweathermapapikey

src/skeleton/widgets.yaml

@@ -1,6 +1,6 @@
 ---
 # For configuration options and examples, please see:
-# https://gethomepage.dev/configs/service-widgets
+# https://gethomepage.dev/configs/info-widgets/
 
 - resources:
     cpu: true