feat: add pre commit

[sgaist]

What type of PR is this?

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/kind feature

/kind bug

/kind cleanup

/kind design

/kind documentation

/kind failing-test

Any specific area of the project related to this PR?

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/area rules

/area registry

/area build

/area documentation

Proposed rule maturity level

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/area maturity-stable

/area maturity-incubating

/area maturity-sandbox

/area maturity-deprecated

What this PR does / why we need it:

This PR adds pre-commit hooks to keep files clean (e.g. no trailing white spaces, etc.)

It also applies the hooks on the repo

Which issue(s) this PR fixes:

Fixes falcosecurity/falco#3727

Special notes for your reviewer:

[poiana]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: sgaist
Once this PR has been reviewed and has the lgtm label, please assign jasondellaluce for approval. For more information see the Kubernetes Code Review Process.

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[github-actions]

Rules files suggestions

falco_rules.yaml

Comparing 2a9ef9c65336be314043d5aef6630c1e4eab56dc with latest tag falco-rules-5.0.0

No changes detected

falco-sandbox_rules.yaml

Comparing 2a9ef9c65336be314043d5aef6630c1e4eab56dc with latest tag falco-sandbox-rules-6.0.0

No changes detected

falco-incubating_rules.yaml

Comparing 2a9ef9c65336be314043d5aef6630c1e4eab56dc with latest tag falco-incubating-rules-6.0.0

No changes detected