Add create images to Bing (#1426)

Add create images from Bing
Add FreeChatgpt Provider
Fix Bard Provider

g4f/Provider/FreeChatgpt.py

@@ -0,0 +1,68 @@
+from __future__ import annotations
+
+import json
+from aiohttp import ClientSession
+
+from ..typing import AsyncResult, Messages
+from .base_provider import AsyncGeneratorProvider
+
+
+class FreeChatgpt(AsyncGeneratorProvider):
+    url = "https://free.chatgpt.org.uk"
+    working = True
+    supports_gpt_35_turbo = True
+    supports_gpt_4 = True
+    supports_message_history = True
+
+    @classmethod
+    async def create_async_generator(
+        cls,
+        model: str,
+        messages: Messages,
+        proxy: str = None,
+        **kwargs
+    ) -> AsyncResult:
+        if not model:
+            model = "gpt-3.5-turbo"
+        headers = {
+            "User-Agent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/119.0",
+            "Accept": "application/json, text/event-stream",
+            "Accept-Language": "de,en-US;q=0.7,en;q=0.3",
+            "Accept-Encoding": "gzip, deflate, br",
+            "Content-Type": "application/json",
+            "Referer": "https://free.chatgpt.org.uk/",
+            "x-requested-with": "XMLHttpRequest",
+            "Origin": "https://free.chatgpt.org.uk",
+            "Sec-Fetch-Dest": "empty",
+            "Sec-Fetch-Mode": "cors",
+            "Sec-Fetch-Site": "same-origin",
+            "Connection": "keep-alive",
+            "Alt-Used": "free.chatgpt.org.uk",
+            "Pragma": "no-cache",
+            "Cache-Control": "no-cache",
+            "TE": "trailers",
+        }
+        async with ClientSession(headers=headers) as session:
+            data = {
+                "messages": messages,
+                "isAzure": False,
+                "azureApiVersion": "2023-08-01-preview",
+                "stream": True,
+                "model": model,
+                "temperature": 0.5,
+                "presence_penalty": 0,
+                "frequency_penalty": 0,
+                "top_p": 1,
+                "baseUrl": "/api/openai",
+                "maxIterations": 10,
+                "returnIntermediateSteps": True,
+                "useTools": ["web-search", "calculator", "web-browser"],
+                **kwargs
+            }
+            async with session.post(f"{cls.url}/api/langchain/tool/agent/nodejs", json=data, proxy=proxy) as response:
+                response.raise_for_status()
+                async for line in response.content:
+                    if line.startswith(b"data: "):
+                        data = json.loads(line[6:])
+                        if data["isSuccess"] and not data["isToolMessage"]:
+                            yield data["message"]