switch from notebook handler to jupyter server handler

[github-actions[bot]]

Test Results

4 tests  ±0   4 :heavy_check_mark: ±0   6s :stopwatch: ±0s 3 suites ±0   0 :zzz: ±0  2 files   ±0   0 :x: ±0 

Results for commit 3afbe80e. ± Comparison against base commit be393174.

[codecov-commenter]

Codecov Report

Merging #214 (3afbe80) into main (be39317) will not change coverage. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #214   +/-   ##
=======================================
  Coverage   65.88%   65.88%           
=======================================
  Files           6        6           
  Lines          85       85           
  Branches       12       12           
=======================================
  Hits           56       56           
  Misses         26       26           
  Partials        3        3           

Impacted Files	Coverage Δ
jupyterlab_templates/extension.py	56.06% <100.00%> (ø)