Commit with warning when save checkpoint fails

[PrajwalPrashanth]

• [x] Handle save_checkpoint fail
• [x] Blocked by completion of logic in #166
• [x] Figure out a way to add warnings in commit successful dialog along from jovian.commit's warnings

[codecov[bot]]

Codecov Report

Merging #170 into master will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #170   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           28        28           
  Lines         1329      1329           
=========================================
  Hits          1329      1329           

Flag	Coverage Δ
#unittests	100.00% <ø> (ø)

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[aakashns]

Can you update this, now that the other PRs are merged?

[PrajwalPrashanth]

[PrajwalPrashanth]

Removed from WIP and have updated VScode settings.