v3.0.0

Breaking changes in v3

See README

Release Notes:

• Added memory model
• Changed variable naming to be much more clear
• More types to avoid ambiguous dictionary/tuples
• Switched to using pydantic instead of dataclasses
• Removed non-core focus elements (caching, token counting, agents)
• Removed need to have texts/doc names in Docs, removing RAM problems
• Abstracted FAISS away, so any vector store can be used
• Removed ambiguous chunk/overlap defaults
• Added typewriter example to README
• Added caching example to README
• Made prompting more general
• Can pass by FileObj|Path|URL in add - (add, add_file, add_url)
• Reduce code duplication in unit tests
• Added more flexible typing, exported more types, added back reader default args

Contributors: @whitead and @Mason-McGough