Add gemini setting file

settings.json

@@ -0,0 +1,21 @@
+{
+  "security": {
+    "auth": {
+      "selectedType": "oauth-personal"
+    }
+  },
+  "general": {
+    "preferredEditor": "neovim",
+    "previewFeatures": true,
+    "enablePromptCompletion": true
+  },
+  "context": {
+    "fileName": ["AGENTS.md", "CONTEXT.md", "GEMINI.md"]
+  },
+  "tools": {
+    "shell": {
+      "showColor": true
+    }
+  }
+}
+