New route to launch action individually

ui/src/lib/action.js

@@ -25,6 +25,18 @@ export class Action {
     }
   }
 
+  async launch() {
+    const res = await fetch(`api/actions/${this.id}/run`, {
+      method: 'POST',
+      headers: {'Accept': 'application/json'}
+    });
+    if (res.status == 200) {
+      return true;
+    } else {
+      throw new Error((await res.json()).errmsg);
+    }
+  }
+
   toggleEnable() {
     this.enabled = !this.enabled;
     this.save();