adding chatbot application with local ollama

adding text generation tutorial and link to RAG application

Merge branch 'main' of github.com:uddamvathanak/From-Zero-to-LLM

adding href link for QA error

adding ref link for code generation

adding code generation tutorial

adding QA tutorial

adding ref link for the text summarisation

adding text summariser tutorial

Merge branch 'main' of github.com:uddamvathanak/From-Zero-to-LLM

Adding text classification tutorial

fixing the error link

Update the link to Introduction to NLP 2023

fixing the reference link to the applications page

change the reference link for readme md