Add Ollama API integration and enhance bot functionality

- Updated .env.example to include OLLAMA_API_KEY.
- Added Ollama to dependencies in pyproject.toml.
- Refactored main.py to incorporate Ollama for web search capabilities.
- Removed misc.py as its functionality has been integrated into main.py.
- Enhanced message handling and memory management for improved performance.

.vscode/settings.json

@@ -34,6 +34,7 @@
         "nobot",
         "nparr",
         "numpy",
+        "Ollama",
         "opencv",
         "percpu",
         "phibiscarf",
@@ -48,6 +49,7 @@
         "sweary",
         "testpaths",
         "thelovinator",
+        "Thicc",
         "tobytes",
         "twimg",
         "unsignedinteger",