credential management documentation (#2389)

fern/docs.yml

@@ -74,8 +74,6 @@ navigation:
           path: getting-started/prompting-guide.mdx
     - section: Tasks
       contents:
-        - page: Introduction
-          path: running-tasks/introduction.mdx
         - page: Tasks API
           path: running-tasks/api-spec.mdx
         - api: Endpoints
@@ -102,6 +100,18 @@ navigation:
           path: workflows/workflow-blocks.mdx
         - page: What the heck is a parameter?
           path: workflows/what-is-a-parameter.mdx
+    - section: Credentials
+      contents:
+        - page: Introduction
+          path: credentials/introduction.mdx
+        - page: Password Management
+          path: credentials/passwords.mdx
+        - page: Credit Card Management
+          path: credentials/credit_cards.mdx
+        - page: TOTP (2FA/MFA/Verification Code)
+          path: credentials/totp.mdx
+        - page: Bitwarden
+          path: credentials/bitwarden.mdx
     - section: Integrations
       contents:
         - page: Skyvern MCP