Add if/else automation/script action (#12301)

Co-authored-by: Zack Barett <zackbarett@hey.com>

src/data/script.ts

@@ -194,6 +194,13 @@ export interface ChooseAction {
   default?: Action | Action[];
 }
 
+export interface IfAction {
+  alias?: string;
+  if: string | Condition[];
+  then: Action | Action[];
+  else?: Action | Action[];
+}
+
 export interface VariablesAction {
   alias?: string;
   variables: Record<string, unknown>;
@@ -215,6 +222,7 @@ export type Action =
   | WaitForTriggerAction
   | RepeatAction
   | ChooseAction
+  | IfAction
   | VariablesAction
   | PlayMediaAction
   | UnknownAction;
@@ -228,6 +236,7 @@ export interface ActionTypes {
   activate_scene: SceneAction;
   repeat: RepeatAction;
   choose: ChooseAction;
+  if: IfAction;
   wait_for_trigger: WaitForTriggerAction;
   variables: VariablesAction;
   service: ServiceAction;
@@ -299,6 +308,9 @@ export const getActionType = (action: Action): ActionType => {
   if ("choose" in action) {
     return "choose";
   }
+  if ("if" in action) {
+    return "if";
+  }
   if ("wait_for_trigger" in action) {
     return "wait_for_trigger";
   }