[LLM POC] – Set up infractructure

[leingenm]

Infrastructure setup (prerequisites):

• Import CSV file with exported data from watch later
• Create a compose file for Postgres (with volume)
• Set up the most basic persistence layer

Define code structure:

• Add a simple Entity connected to the DB. (Update persistence layer in another issue)
• Create a simple POJO & repository to save imported video data
• Add a controller to upload files with Watch Later videos

DrawIO Diagram

Technical Questions:

• How to init DB schema? Should we use migrations?
• How to handle duplicates?