## Why are these changes needed?
For the sake of subsequent people reading the metacode and following
programming specifications, variable names are updated in combination
with usage scenarios. Mainly contains the variable "_self_text" in
TextMentionTermination
* v1, make assistant agent declarative
* make head tail context declarative
* update and formatting
* update assistant, format updates
* make websurfer declarative
* update formatting
* move declarative docs to advanced section
* remove tools until implemented
* minor updates to termination conditions
* update docs
* make termination condition declarative
* make all term conditions declarative
* make And/OrTermination top level objects in base
* add basic tests
* add tutorial notebook
* update tests and formatting
* update tests
* update declarative config with updated api.
