Fix repeat & choose action descriptions (#14080)

* Fix repeat & choose action descriptions

* Change repeat & choose examples to complete scripts/automations to reduce confusion

source/_docs/scripts.markdown

@@ -206,7 +206,7 @@ The following automation shows how to capture the custom event `event_light_stat
 ### Repeat a Group of Actions
 
 This action allows you to repeat a sequence of other actions. Nesting is fully supported.
-There are three ways to control how many times the sequence will be repeated.
+There are three ways to control how many times the sequence will be run.
 
 #### Counted Repeat
 
@@ -215,57 +215,93 @@ the template is rendered when the repeat step is reached.
 
 {% raw %}
 ```yaml
-- alias: Repeat the sequence the specified number of times
-  repeat:
-    count: "{{ repeat_count }}"
+script:
+  flash_light:
+    mode: restart
     sequence:
-      - ...
+      - service: light.turn_on
+        data_template:
+          entity_id: "light.{{ light }}"
+      - repeat:
+          count: "{{ count|int * 2 - 1 }}"
+          sequence:
+            - delay: 2
+            - service: light.toggle
+              data_template:
+                entity_id: "light.{{ light }}"
+  flash_hallway_light:
+    sequence:
+      - service: script.flash_light
+        data:
+          light: hallway
+          count: 3
 ```
 {% endraw %}
 
 #### While Loop
 
-This form accepts a list of conditions that are evaluated _before_ each time the sequence
-is run. The sequence will be repeated _as long as_ the condition(s) evaluate to true.
+This form accepts a list of conditions (see [conditions page] for available options) that are evaluated _before_ each time the sequence
+is run. The sequence will be run _as long as_ the condition(s) evaluate to true.
 
 {% raw %}
 ```yaml
-- alias: Repeat the sequence AS LONG AS the conditions are true
+script:
+  do_something:
+    sequence:
+      - service: script.get_ready_for_something
+      - alias: Repeat the sequence AS LONG AS the conditions are true
         repeat:
           while:
             - condition: state
-        entity_id: input_boolean.run_loop
+              entity_id: input_boolean.do_something
               state: 'on'
+            # Don't do it too many times
             - condition: template
               value_template: "{{ repeat.index <= 20 }}"
           sequence:
-      - ...
+            - service: script.something
 ```
 {% endraw %}
 
 #### Repeat Until
 
 This form accepts a list of conditions that are evaluated _after_ each time the sequence
-is run. Therefore the sequence will always run at least once. The sequence will be executed
+is run. Therefore the sequence will always run at least once. The sequence will be run
 _until_ the condition(s) evaluate to true.
 
 {% raw %}
 ```yaml
-- alias: Repeat the sequence UNTIL the conditions are true
+automation:
+  - trigger:
+      - platform: state
+        entity_id: binary_sensor.xyz
+        to: 'on'
+    condition:
+      - condition: state
+        entity_id: binary_sensor.something
+        state: 'off'
+    mode: single
+    action:
+      - alias: Repeat the sequence UNTIL the conditions are true
         repeat:
           sequence:
-      - ...
+            # Run command that for some reason doesn't always work
+            - service: shell_command.turn_something_on
+            # Give it time to complete
+            - delay:
+                milliseconds: 200
           until:
+            # Did it work?
             - condition: state
-        entity_id: binary_sensor.the_cows_have_come_home
+              entity_id: binary_sensor.something
               state: 'on'
 ```
 {% endraw %}
 
 #### Repeat Loop Variable
 
-A variable named `repeat` is defined within the repeat sequence. If repeat sequences are
-nested, it always applies to the inner-most loop. It contains the following fields:
+A variable named `repeat` is defined within the repeat action (i.e., it is available inside `sequence`, `while` & `until`.)
+It contains the following fields:
 
 field | description
 -|-
@@ -277,25 +313,31 @@ field | description
 
 This action allows you to select a sequence of other actions from a list of sequences.
 Nesting is fully supported.
-
-Each sequence is paired with a list of conditions. The first sequence whose conditions are all true will be run.
+Each sequence is paired with a list of conditions (see [conditions page] for available options.) The first sequence whose conditions are all true will be run.
 An optional `default` sequence can be included which will be run if none of the sequences from the list are run.
 
 {% raw %}
 ```yaml
-- alias: Choose a sequence to run
-  choose:
+automation:
+  - trigger:
+      - platform: state
+        entity_id: binary_sensor.motion
+    mode: queued
+    action:
+      - choose:
+          # IF motion detected
           - conditions:
-        - condition: ...
-        - condition: ...
+              - condition: template
+                value_template: "{{ trigger.to_state.state == 'on' }}"
             sequence:
-        - ...
-    - conditions:
-        - condition: ...
-      sequence:
-        - ...
+              - service: script.turn_on
+                entity_id:
+                  - script.slowly_turn_on_front_lights
+                  - script.announce_someone_at_door
+        # ELSE (i.e., motion stopped)
         default:
-    - ...
+          - service: light.turn_off
+            entity_id: light.front_lights
 ```
 {% endraw %}