Add pre-commit and trivy scan configs

[asloobq]

Tested locally
Diff:

diff --git a/examples/sample_encryption.py b/examples/sample_encryption.py
index 6a6ec52..46e64d9 100644
--- a/examples/sample_encryption.py
+++ b/examples/sample_encryption.py
@@ -14,7 +14,7 @@ def _usage():

 if len(sys.argv) <= 5:
     _usage()
-
+dummy_key="UID2-A-T-abcdef.12345678901234567890123456789012345678"
 base_url = sys.argv[1]
 auth_key = sys.argv[2]
 secret_key = sys.argv[3]

Commit:

(venv) ➜  uid2-client-python git:(aaq-UID2-3163-enable-secret-scanning) ✗ git commit -m "Update trivy version"
trivyfs-docker...........................................................Failed
- hook id: trivyfs-docker
- exit code: 1

2024-04-05T17:47:36.570Z	INFO	Secret scanning is enabled
2024-04-05T17:47:36.572Z	INFO	If your scanning is slow, please try '--scanners vuln' to disable secret scanning
2024-04-05T17:47:36.572Z	INFO	Please see also https://aquasecurity.github.io/trivy/v0.50/docs/scanner/secret/#recommendation for faster secret detection
2024-04-05T17:47:36.574Z	INFO	Loading /src/trivy-secret.yaml for secret scanning...

examples/sample_encryption.py (secrets)
=======================================
Total: 1 (UNKNOWN: 0, LOW: 0, MEDIUM: 0, HIGH: 0, CRITICAL: 1)

CRITICAL: uid2 (uid2-admin-key-test)
════════════════════════════════════════
UID2 - Admin Key - Test
────────────────────────────────────────
 examples/sample_encryption.py:17
────────────────────────────────────────
  15   if len(sys.argv) <= 5:
  16       _usage()
  17 [ dummy_key="UID2-A-T-*********************************************"
  18   base_url = sys.argv[1]
────────────────────────────────────────

(venv) ➜  uid2-client-python git:(aaq-UID2-3163-enable-secret-scanning) ✗