zapier-convert: add page (#14178)

pages/common/zapier-convert.md

@@ -0,0 +1,16 @@
+# zapier convert
+
+> Convert a Visual Builder integration to a CLI integration.
+> More information: <https://github.com/zapier/zapier-platform/blob/main/packages/cli/docs/cli.md#convert>.
+
+- Convert a visual builder integration:
+
+`zapier convert {{integration_id}} {{path/to/directory}}`
+
+- Convert a visual builder integration with a specific version:
+
+`zapier convert {{integration_id}} {{path/to/directory}} {{-v|--version}}={{version}}`
+
+- Show extra debugging output:
+
+`zapier convert --debug`