Update README to show latest syntax

Update README.md

Update 03-basic-langchain-agent.ipynb

Update 02-dynamic-routes.ipynb

Update 01-save-load-from-file.ipynb

Update 00-introduction.ipynb

updated docs and versions

James/route config

remove uneeded files

Merge pull request #39 from aurelio-labs/simonas/easier-importexport-of-decision-layer-decision-objects

Easier import/export of routes to file +  Dynamic route config + Function calling