Add PWA taskbar integration experiment for GTK Linux in experiments.json

Author: Ryosuke-Asano

experiments/experiments.json

@@ -13,6 +13,20 @@
                     "weight": 100
                 }
             ]
+        },
+        {
+            "id": "pwa_taskbar_integration_linux",
+            "salt": "pwa_taskbar_integration_linux_v1_2025",
+            "description": "On using GTK Linux, OS Integration PWA be available",
+            "rollout": 50,
+            "start": "2025-01-01",
+            "end": "2026-12-31",
+            "variants": [
+                {
+                    "id": "enabled",
+                    "weight": 100
+                }
+            ]
         }
     ]
 }