update flasher_player config player reference with examples

Author: bosh

docs/config_players/flasher_player.md

@@ -5,9 +5,7 @@ title: Flasher player
 # Flasher player
 
 
-The *flasher player* is a
-[config player](index.md)
-that's used to flash lights.
+The *flasher player* is a [config player](index.md) that's used to flash lights.
 
 ## Usage in config files
 
@@ -23,3 +21,35 @@ step.
 
 See [flasher_player:](../config/flasher_player.md) for config
 details.
+
+## Examples
+
+Simple flasher behavior on a [switch_active](../events/switch_active.md) event with default length and color:
+
+``` yaml
+flasher_player:
+  my_switch_active: my_light
+```
+
+Flasher with customized color and timing:
+
+``` yaml
+flasher_player:
+  my_second_switch_active:
+    my_second_light:
+      color: red
+      ms: 300ms
+```
+
+Multiple flashers triggered by a single event:
+
+``` yaml
+flasher_player:
+  my_trigger_event:
+    my_double_flasher_light_1:
+      color: blue
+      ms: 250ms
+    my_double_flasher_light_2:
+      color: green
+      ms: 250ms
+```