Docker support and Ollama support (#47)

- Added support for running CLI and Ollama server via Docker
- Introduced tests for local embeddings model and standalone Docker setup
- Enabled conditional Ollama server launch via LLM_PROVIDER

requirements.txt

@@ -1,6 +1,8 @@
 typing-extensions
 langchain-openai
 langchain-experimental
+langchain_anthropic
+langchain_google_genai
 pandas
 yfinance
 praw
@@ -22,5 +24,6 @@ redis
 chainlit
 rich
 questionary
-langchain_anthropic
-langchain-google-genai
+ollama
+pytest
+python-dotenv