docs: update providers documentation and enhance support for Blackbox HAR auth

- Added "No auth / HAR file" authentication type in providers-and-models.md
- Added "Video generation" column to provider tables for future capability
- Updated model counts and provider capabilities throughout documentation
- Fixed ARTA provider with improved error handling and response validation
- Enhanced AllenAI provider with vision model support and proper image handling
- Significantly improved Blackbox provider:
  - Added HAR file authentication support
  - Added subscription status checking
  - Added premium/demo model differentiation
  - Improved session handling and error recovery
- Enhanced DDG provider with better error handling for challenges
- Improved PollinationsAI and PollinationsImage providers' model handling
- Added VideoModel class in g4f/models.py
- Added audio/video generation indicators in GUI components
- Added new Ai2 models: olmo-1-7b, olmo-2-32b, olmo-4-synthetic
- Added new commit message generation tool in etc/tool/commit.py

g4f/gui/server/api.py

@@ -30,6 +30,8 @@ class Api:
             "name": model.name,
             "image": isinstance(model, models.ImageModel),
             "vision": isinstance(model, models.VisionModel),
+            "audio": isinstance(model, models.AudioModel),
+            "video": isinstance(model, models.VideoModel),
             "providers": [
                 getattr(provider, "parent", provider.__name__)
                 for provider in providers
@@ -52,6 +54,8 @@ class Api:
                         "model": model,
                         "default": model == provider.default_model,
                         "vision": getattr(provider, "default_vision_model", None) == model or model in getattr(provider, "vision_models", []),
+                        "audio": getattr(provider, "default_audio_model", None) == model or model in getattr(provider, "audio_models", []),
+                        "video": getattr(provider, "default_video_model", None) == model or model in getattr(provider, "video_models", []),
                         "image": False if provider.image_models is None else model in provider.image_models,
                         "task": None if not hasattr(provider, "task_mapping") else provider.task_mapping[model] if model in provider.task_mapping else None
                     }
@@ -66,6 +70,8 @@ class Api:
             "label": provider.label if hasattr(provider, "label") else provider.__name__,
             "parent": getattr(provider, "parent", None),
             "image": bool(getattr(provider, "image_models", False)),
+            "audio": getattr(provider, "audio_models", None) is not None,
+            "video": getattr(provider, "video_models", None) is not None,
             "vision": getattr(provider, "default_vision_model", None) is not None,
             "nodriver": getattr(provider, "use_nodriver", False),
             "hf_space": getattr(provider, "hf_space", False),