fix: change coroutine to task (#28) (#29)

* fix: change coroutine to task (#28)

* fix: change coroutine to task (#28)

* Run black formatter

chore: migrate to hatch (#26)

fix: remove save emoji (#25)

As reported in #20, the emoji displayed when data is saved to file
causes issues. As this is not a vital feature, we are removing it
for the sake of better compatibility on MacOS.

Fixes #20.

feat: add graph mode

The new graph mode allows switching to a live flame graph
visualisation of the current thread data.

fix: bump lxml dependency

Resolves security issues with previous versions of lxml.

docs: use new art

Also fixed a minor regression and linting errors.

docs: document pause and threshold.

refactor: make event handlers asynchronous

The event handlers have been made asynchronous to allow them to perform
async I/O as needed. Tasks can also be submitted which are checked for
completion so that their result/exception can be retrieved and reported
back to the user.

fix: activate dynamic versioning

fix: activate dynamic versioning