Updated pre-commit.sh to check for unused strings in strings.en.yaml

[shruti2522]

Proposed changes

Fix #4550. Added pre-commit checks to look for unused strings in the strings.en.yaml file.

Types of changes

What types of changes does your code introduce to Litmus? Put an x in the boxes that apply

• New feature (non-breaking change which adds functionality)
• Bugfix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices applies)

Checklist

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• I have read the CONTRIBUTING doc
• I have signed the commit for DCO to be passed.
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if appropriate)
• I have added necessary documentation (if appropriate)

Dependency

• Please add the links to the dependent PR need to be merged before this (if any).

[SahilKr24]

is this line correct? this will be printed for each pre-commit hook irrespective to the branch

[hrishavjha]

Is this tested properly?
In Litmus there is no main branch, we have a master branch here. Please verify this change.

[shruti2522]

I have not changed the code for this, it is how the original implementation is in pre-commit.sh. Should I change it to master then?

[aryan-bhokare]

hey @shruti2522 that went unnoticed by me. Please change it to master.