feat: 🔨 gitleaks pre-commit to check for credentials (#100)

# Description

To prevent accidental leaking of credentials.

No review needed.

Author: lwjohnst86

.pre-commit-config.yaml

@@ -5,6 +5,11 @@ ci:
   autoupdate_commit_msg: "ci(pre-commit): :construction_worker: update pre-commit CI version"
 
 repos:
+  - repo: https://github.com/gitleaks/gitleaks
+    rev: v8.27.2
+    hooks:
+      - id: gitleaks
+
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v5.0.0
     hooks: