feat: add support for display of gas and water

README.md

@@ -75,6 +75,8 @@ At least one of _grid_, _battery_, or _solar_ is required. All entites (except _
 | battery        | `string` / `object` | Entity ID of a sensor supporting a single state with negative values for production and positive values for consumption or an object for [split entites](#split-entities). Examples of both can be found below. |
 | battery_charge | `string`            | Entity ID providing a state with the current percentage of charge on the battery.                                                                                                                               |
 | solar          | `string`            | Entity ID providing a state with the value of generation.                                                                                                                                                       |
+| gas            | `string`            | Entity ID providing a state value of consumption                                                                                                                                                                |
+| water          | `string`            | Entity ID providing a state value of consumption                                                                                                                                                                |
 
 #### Split entities
 

src/power-flow-card-config.ts

@@ -7,6 +7,8 @@ export interface PowerFlowCardConfig extends LovelaceCardConfig {
     battery_charge?: string;
     grid: string | ComboEntity;
     solar?: string;
+    gas?: string;
+    water?: string;
   };
   dashboard_link?: string;
   inverted_entities: string | string[];