chore: ignore new file in dot-idea directory

.idea/.gitignore

@@ -1,6 +1,16 @@
-*
+/shelf
-!/migrations.xml
+/caches
-!/codeStyles
+/libraries
-!/vcs.xml
+/assetWizardSettings.xml
-!/kotlinc.xml
+/deploymentTarget*.xml
-!/compiler.xml
+/gradle.xml
+/misc.xml
+/modules.xml
+/navEditor.xml
+/runConfigurations.xml
+/workspace.xml
+/AndroidProjectSystem.xml
+
+/copilot*
+
+**/*.iml