Added custom pre-commit hook

[hrishi-1337]

Custom pre-commit hook to ensure indentation consistency of JSON files. Resolves #2332

Checklist

• Type annotations added to new functions
• Docs added to functions touched in main classes
• Dry-run produced the expected results
• The to-be-announced tag added if this is worth announcing

$ pre-commit run --all-files
djLint linting for Jinja.................................................Passed
djLint linting for Jinja.................................................Passed
ruff.....................................................................Passed
ruff-format..............................................................Passed
check python ast.........................................................Passed
check docstring is first.................................................Passed
check that executables have shebangs.....................................Passed
check for merge conflicts................................................Passed
check for broken symlinks............................(no files to check)Skipped
debug statements (python)................................................Passed
trim trailing whitespace.................................................Passed
check yaml...............................................................Passed
mixed line ending........................................................Passed
python tests naming......................................................Passed
check json...............................................................Passed
fix requirements.txt.....................................................Passed
check vcs permalinks.....................................................Passed
codespell................................................................Passed
taskcluster_yml..........................................................Passed
Strip unnecessary `# noqa`s..............................................Passed
mypy.....................................................................Passed
Check for useless excludes...............................................Passed
Check JSON Indentation Consistency.......................................Passed

[hrishi-1337]

@suhaibmujahid could you please take a look at this PR

[suhaibmujahid]

Why do we need to create a custom hook? Have you tried finding an off-the-shelf solution?

[suhaibmujahid]

If there isn't an existing hook for this, it would be simpler to use an inline pygrep hook.