Add more structure

packages/provider/README.md

@@ -45,7 +45,7 @@ All other components are also inherent providers (see below), so you don't reall
 of other components. The use of `dbp-provider` is mainly suggested being used for namespacing (e.g. different languages
 or entry point urls on the same page) or to deliver attribute changes across different components.
 
-### Flow
+### Examples
 
 #### Example 1 - Simple communication
 
@@ -73,6 +73,8 @@ sequenceDiagram
     P->>PS: "lang" was updated to "en"
 ```
 
+##### Flow
+
 1) The language selector propagates a change of `lang` (because the user clicked on it)
 2) The provider receives that event, because it has the attribute `lang` set
 3) The provider executes a callback with the updated value for `lang` in all components that subscribed `lang`
@@ -113,6 +115,8 @@ sequenceDiagram
     P1->>PS: "auth" was updated to "{...json...}"
 ```
 
+##### Flow
+
 1) The language selector propagates a change of `lang` (because the user clicked on it)
 2) The provider 2 receives that event, because it has the attribute `lang` set
 3) The provider 2 executes a callback with the updated value for `lang` in all components that subscribed `lang`