docs: fix some documentation warning

docs/AD_API_REFERENCE.rst

@@ -18,6 +18,8 @@ by the ``get_ad_api()`` call:
 
 These calls are documented below.
 
+.. _AppDaemon App Creation:
+
 App Creation
 ------------
 

docs/APPGUIDE.rst

@@ -1592,25 +1592,16 @@ need.
 The parameters have the following meanings:
 
 self
-^^^^
-
-A standard Python object reference.
+  A standard Python object reference.
 
 event\_name
-^^^^^^^^^^^
-
-Name of the event that was called, e.g., ``call_service``.
+  Name of the event that was called, e.g., ``call_service``.
 
 data
-^^^^
-
-Any data that the system supplied with the event as a dict.
+  Any data that the system supplied with the event as a dict.
 
 kwargs
-^^^^^^
-
-A dictionary containing Zero or more user keyword arguments to be
-supplied to the callback.
+  A dictionary containing Zero or more user keyword arguments to be supplied to the callback.
 
 listen\_event()
 ~~~~~~~~~~~~~~~

docs/DASHBOARD_CREATION.rst

@@ -7,7 +7,7 @@ Dashboard Creation
    UI
 
 Dashboard Creation
------------------------
+------------------
 
 Dashboard configuration is simple yet very powerful. Dashboards can be
 created in single files or made modular for reuse of blocks of widgets.

docs/HASS_API_REFERENCE.rst

@@ -3,6 +3,8 @@ HASS API Reference
 
 This page provides a list of API calls and specific information related to the HASS plugin.
 
+.. _HASS App Creation:
+
 App Creation
 ------------
 
@@ -16,6 +18,8 @@ To create apps based on just the AppDaemon base API, use some code like the foll
 
         def initialize(self):
 
+.. _HASS Reference:
+
 Reference
 ---------
 

docs/MQTT_API_REFERENCE.rst

@@ -3,6 +3,8 @@ MQTT API Reference
 
 A list of API calls and information specific to the MQTT plugin.
 
+.. _MQTT App Creation:
+
 App Creation
 ------------
 
@@ -36,6 +38,8 @@ brokers can be accessed within an App, as long as they are all declared when the
 configured, and using the ``namespace`` parameter. See the section on `namespaces <APPGUIDE.html#namespaces>`__
 for a detailed description.
 
+.. _MQTT Examples:
+
 Examples
 ^^^^^^^^
 

docs/WIDGETDEV.rst

@@ -154,6 +154,8 @@ This is useful for static fields such as titles and simplifies the widget code s
 Fields that are not required to be initialized must still be present and set to ``""``.
 Again, it is possible to map values directly from the Instantiated Widget straight through to the Base Widget.
 
+.. _HADashboard Widget Icons:
+
 Icons
 ~~~~~