Output commands to execute post migration

[nagdahimanshu]

What was the problem?

This PR resolves #188

How was it solved?

• All the necessary commands are output to a file in their order of execution
• User is notified of the output file generated with the list of commands to be executed

How was it tested?

• Local against mainnet

[codecov]

Codecov Report

Merging #189 (53448b0) into release/2.0.0 (5da7a99) will decrease coverage by 0.40%.
Report is 17 commits behind head on release/2.0.0.
The diff coverage is 52.94%.

@@                Coverage Diff                @@
##           release/2.0.0     #189      +/-   ##
=================================================
- Coverage          81.62%   81.23%   -0.40%     
=================================================
  Files                 22       24       +2     
  Lines                724      778      +54     
  Branches             104      111       +7     
=================================================
+ Hits                 591      632      +41     
- Misses               133      146      +13     

Files	Coverage Δ
src/constants.ts	100.00% <100.00%> (ø)
src/utils/fs.ts	100.00% <100.00%> (ø)
src/utils/commands.ts	93.54% <93.54%> (ø)
src/utils/exception.ts	20.00% <20.00%> (ø)
src/utils/node.ts	43.96% <12.82%> (-2.34%)	⬇️