add home-assistant nix configuration

hosts/fw.cloonar.com/modules/home-assistant/snapcast.nix

@@ -0,0 +1,66 @@
+{
+  services.home-assistant = {
+    extraComponents = [ "snapcast" ];
+    config = {
+  #     "media_player" = {
+  #       platform = "snapcast";
+  #       host = "snapcast.cloonar.com";
+  #     };
+      "automation toilett_music" = {
+        alias = "toilett music";
+        hide_entity = true;
+        trigger = {
+          platform = "state";
+          entity_id = "light.toilett_switch";
+        };
+        action = {
+          choose = [
+            {
+              conditions = [ "{{trigger.to_state.state == 'on'}}" ];
+              sequence = [
+                {
+                  service = "media_player.volume_mute";
+                  target = {
+                    entity_id = "media_player.snapcast_client_e4_5f_01_3c_fb_c3";
+                  };
+                  data = {
+                    is_volume_muted = false;
+                  };
+                }
+              ];
+            }
+            {
+              conditions = [ "{{trigger.to_state.state == 'off'}}" ];
+              sequence = [
+                {
+                  service = "media_player.volume_mute";
+                  target = {
+                    entity_id = "media_player.snapcast_client_e4_5f_01_3c_fb_c3";
+                  };
+                  data = {
+                    is_volume_muted = true;
+                  };
+                }
+              ];
+            }
+          ];
+        };
+      };
+      "automation piano" = {
+        alias = "piano";
+        hide_entity = true;
+        trigger = {
+          platform = "state";
+          entity_id = "media_player.snapcast_client_e4_5f_01_96_c1_1e";
+          attribute = "is_volume_muted";
+        };
+        action = {
+          service = "switch.turn_on";
+          target = {
+            entity_id = "switch.piano_switch_power";
+          };
+        };
+      };
+    };
+  };
+}