checkov: add page (#12402)

* checkov: add page

---------

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

pages/common/checkov.md

@@ -0,0 +1,17 @@
+# checkov
+
+> Checkov is a static code analysis tool for Infrastructure as Code (IaC).
+> It is also a software composition analysis (SCA) tool for images and open source packages.
+> More information: <https://www.checkov.io/1.Welcome/Quick%20Start.html>.
+
+- Scan a directory containing IaC (Terraform, Cloudformation, ARM, Ansible, Bicep, Dockerfile, etc):
+
+`checkov --directory {{path/to/directory}}`
+
+- Scan an IaC file, omitting code blocks in the output:
+
+`checkov --compact --file {{path/to/file}}`
+
+- List all checks for all IaC types:
+
+`checkov --list`