docs: move api and cli docs routes to reference/ (#14241)

docs/reference/cli/external-auth_access-token.md

@@ -0,0 +1,43 @@
+<!-- DO NOT EDIT | GENERATED CONTENT -->
+
+# external-auth access-token
+
+Print auth for an external provider
+
+## Usage
+
+```console
+coder external-auth access-token [flags] <provider>
+```
+
+## Description
+
+```console
+Print an access-token for an external auth provider. The access-token will be validated and sent to stdout with exit code 0. If a valid access-token cannot be obtained, the URL to authenticate will be sent to stdout with exit code 1
+  - Ensure that the user is authenticated with GitHub before cloning.:
+
+     $ #!/usr/bin/env sh
+
+OUTPUT=$(coder external-auth access-token github)
+if [ $? -eq 0 ]; then
+  echo "Authenticated with GitHub"
+else
+  echo "Please authenticate with GitHub:"
+  echo $OUTPUT
+fi
+
+
+  - Obtain an extra property of an access token for additional metadata.:
+
+     $ coder external-auth access-token slack --extra "authed_user.id"
+```
+
+## Options
+
+### --extra
+
+|      |                     |
+| ---- | ------------------- |
+| Type | <code>string</code> |
+
+Extract a field from the "extra" properties of the OAuth token.