zapier-init: add page (#14179)

pages/common/zapier-init.md

@@ -0,0 +1,16 @@
+# zapier init
+
+> Initialize a new Zapier integration.
+> More information: <https://github.com/zapier/zapier-platform/blob/main/packages/cli/docs/cli.md#init>.
+
+- Initialize a new Zapier integration:
+
+`zapier init {{path/to/directory}}`
+
+- Initialize a new Zapier integration with a specific template:
+
+`zapier init {{path/to/directory}} {{-t|--template}} {{basic-auth|callback|custom-auth|digest-auth|dynamic-dropdown|files|minimal|oauth1-trello|oauth2|search-or-create|session-auth|typescript}}`
+
+- Show extra debugging output:
+
+`zapier init {{-d|--debug}}`