Draft: Add CPP, JS and Bash Linters

Remi Rampinrequested to merge
(removed):jslint-test into dev

(re-created https://dev.hsrn.nyu.edu/yc6371/corelink-client/-/merge_requests/2 in correct repository)

Javascript linter

  1. Use ESlint for code style analysis to conform Airbnb style guide (Configuration in .eslintrc)
  2. Edit package.json for build purpose

C++ linter

  1. Use CPPlint for code style and code quality analysis to conform Google C++ Style Guide (Configuration in CPPLINT.cfg)

Bash linter

  1. Use Shellcheck for code style and code quality analysis to conform Google Shell Style Guide guide (Configuration in .shellcheckrc)

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