feat(commitlint): enforce commit linting via git hooks

[manjotsidhu]

Describe the changes you have made in this PR -

• Added git's commit-msg hook in .githooks/commit-msg.
• To use our custom githooks directory, we need to run git config core.hooksPath .githooks/.
• commitlint should be installed globally to be able to run linting.
• Added commit linting setup step in README.md

Screenshots of the changes (If any) -

[commit-lint]

Features

• commitlint: enable commit linting via git hooks (5682fc6)

Contributors

manjotsidhu

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[coveralls]

Pull Request Test Coverage Report for Build 1097738396

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 74.472%

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Totals
Change from base Build 1089169185:	0.0%
Covered Lines:	3880
Relevant Lines:	5210

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💛 - Coveralls