Set version to 0.9.1

In the previous version setting, we missed setting the `ekg-version` var.  This
PR fixes that as well (but it shouldn't have any effect).

Set version to 0.9.0, require llm 0.30

Set version to 0.8.0

Set version to 0.7.1

Add ekg-search, which does a progressive search on text and titles (#199

)

* Add a straightforward text-match search that updates progressively

* Improve note display with oneline formatting

* docs: add ekg-search to global command in README

* feat: Add limit to ekg search results with preview message

* Add documentation for new template formatting and search

* Update docs with notes about all types of searches

* Lint fixes

* Fix misssed quote breaking tests

* Fix test that needed to have an update ekg-display-note call

Set version to 0.6.4 (#192)

Update version to 0.6.3 (#174)

Make version 0.6.2 (#165)

Enable the CI for the develop branch (#158)

Upgrade version to 0.6.0 and update ekg-llm copyright