move from notebook to jupyter_server, move code of conduct inside github folder

[timkpaine]

No description provided.

[github-actions]

Unit Test Results

2 tests  ±0   2 ✔️ ±0   1s ⏱️ ±0s
1 suites ±0   0 💤 ±0 
1 files   ±0   0 ❌ ±0 

Results for commit 3f7cb1a. ± Comparison against base commit 0a18ff3.

[codecov]

Codecov Report

Merging #70 (3f7cb1a) into main (0a18ff3) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #70   +/-   ##
=======================================
  Coverage   25.78%   25.78%           
=======================================
  Files          11       11           
  Lines         415      415           
  Branches       94       94           
=======================================
  Hits          107      107           
  Misses        307      307           
  Partials        1        1           

Impacted Files	Coverage Δ
jupyterlab_email/extension.py	85.00% <100.00%> (ø)
jupyterlab_email/handlers.py	16.19% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 0a18ff3...3f7cb1a. Read the comment docs.