add config for gemini custom base url

src/api/providers/gemini.ts

@@ -28,7 +28,6 @@ export class GeminiHandler extends BaseProvider implements SingleCompletionHandl
 				baseUrl: this.options.googleGeminiBaseUrl || undefined,
 			},
 		)
-
 		const result = await model.generateContentStream({
 			contents: messages.map(convertAnthropicMessageToGemini),
 			generationConfig: {

src/shared/api.ts

@@ -116,6 +116,7 @@ export const API_CONFIG_KEYS: GlobalStateKey[] = [
 	"lmStudioBaseUrl",
 	"lmStudioDraftModelId",
 	"lmStudioSpeculativeDecodingEnabled",
+	"googleGeminiBaseUrl",
 	"mistralCodestralUrl",
 	"azureApiVersion",
 	"openRouterUseMiddleOutTransform",

src/shared/globalState.ts

@@ -59,6 +59,7 @@ export const GLOBAL_STATE_KEYS = [
 	"openRouterModelInfo",
 	"openRouterBaseUrl",
 	"openRouterUseMiddleOutTransform",
+	"googleGeminiBaseUrl",
 	"allowedCommands",
 	"soundEnabled",
 	"soundVolume",