feat: add Ollama local provider support

- Added Ollama (local) as AI provider option
- Configure VPS endpoint for Ollama connection
- Auto-detect available models from Ollama server
- Support for vision-capable models (llama3.2-vision, etc)

App.tsx

@@ -14,6 +14,7 @@ import { ApiKeySetup } from './components/ApiKeySetup';
 const App: React.FC = () => {
   const [file, setFile] = useState<File | null>(null);
   const [apiKey, setApiKey] = useState<string>('');
+  const [endpoint, setEndpoint] = useState<string>('');
   const [provider, setProvider] = useState<AIProvider>('gemini');
   const [model, setModel] = useState<string>('gemini-2.5-flash');
   const [hasKey, setHasKey] = useState<boolean>(false);
@@ -25,11 +26,13 @@ const App: React.FC = () => {
     const savedApiKey = localStorage.getItem('api-key');
     const savedProvider = localStorage.getItem('ai-provider') as AIProvider;
     const savedModel = localStorage.getItem('model-' + savedProvider);
+    const savedEndpoint = localStorage.getItem('ollama-endpoint');
     
-    if (savedApiKey) {
-      setApiKey(savedApiKey);
+    if (savedApiKey || savedEndpoint) {
+      setApiKey(savedApiKey || '');
       if (savedProvider) setProvider(savedProvider);
       if (savedModel) setModel(savedModel);
+      if (savedEndpoint) setEndpoint(savedEndpoint);
       setHasKey(true);
     }
   }, []);
@@ -42,24 +45,33 @@ const App: React.FC = () => {
     }
   }, []);
 
-  const handleKeySave = useCallback((key: string, newProvider: AIProvider, newModel: string) => {
-    if (key) {
-      setApiKey(key);
-      setProvider(newProvider);
-      setModel(newModel);
-      localStorage.setItem('api-key', key);
-      localStorage.setItem('ai-provider', newProvider);
-      localStorage.setItem('model-' + newProvider, newModel);
-      setHasKey(true);
+  const handleKeySave = useCallback((key: string, newProvider: AIProvider, newModel: string, newEndpoint?: string) => {
+    setApiKey(key);
+    setProvider(newProvider);
+    setModel(newModel);
+    if (newEndpoint) {
+      setEndpoint(newEndpoint);
+      localStorage.setItem('ollama-endpoint', newEndpoint);
     }
+    if (key) {
+      localStorage.setItem('api-key', key);
+    }
+    localStorage.setItem('ai-provider', newProvider);
+    localStorage.setItem('model-' + newProvider, newModel);
+    setHasKey(true);
   }, []);
 
   const handleAnalyzeClick = async () => {
-    if (!apiKey) {
+    if (provider !== 'ollama' && !apiKey) {
       setError("A chave de API não foi encontrada. Por favor, configure-a novamente.");
       setHasKey(false);
       return;
     }
+    if (provider === 'ollama' && !endpoint) {
+      setError("O endereço do Ollama não foi configurado. Por favor, configure-o.");
+      setHasKey(false);
+      return;
+    }
     if (!file) {
       setError("Por favor, selecione um arquivo primeiro.");
       return;
@@ -72,7 +84,8 @@ const App: React.FC = () => {
         provider,
         apiKey,
         model,
-        file
+        file,
+        endpoint: provider === 'ollama' ? endpoint : undefined
       });
       setReportData(data);
     } catch (err) {