docs: Move Hub from top nav to main docs page (#8349)

* Remove blocks from side nav and add redirect

* Remove block ref

* Fix grammar

* Add more info to config page

* Add create and remix components to hub intro and delete those files

* Add new component image

* Remove blocks ref

* Update link

* Simplify for clarity

* Add specificity

* Rename workflows to agents

* Remove blocks ref

* Remove blocks ref

* Remove broken links

* Remove block ref

* Fix link

* Move Hub from top nav to main docs page after Getting Started and before CLI

- Moved Hub section from separate tab to main Documentation tab
- Positioned Hub section between Getting Started and CLI
- Set IDE Extensions, Customization, and Help folder groups to closed state (expanded: false)
- Maintained all existing redirects for Hub links

Generated with [Continue](https://continue.dev)

Co-Authored-By: Continue <noreply@continue.dev>

* Rename 'Workflows' group to 'Agents'

* Remove routing entry for '/hub/agents/intro'

Removed unused routing entry for agents.

---------

Co-authored-by: Continue <noreply@continue.dev>

Author: BekahHW

docs/docs.json

@@ -22,6 +22,47 @@
             "icon": "rocket-launch",
             "pages": ["index"]
           },
+          {
+            "group": "Hub",
+            "icon": "globe",
+            "pages": [
+              "hub/introduction",
+              {
+                "group": "Configs",
+                "icon": "robot",
+                "pages": [
+                  "hub/configs/intro",
+                  "hub/configs/use-a-config",
+                  "hub/configs/create-a-config",
+                  "hub/configs/edit-a-config"
+                ]
+              },
+              {
+                "group": "Governance",
+                "icon": "building",
+                "pages": [
+                  "hub/governance/creating-an-org",
+                  "hub/governance/org-permissions",
+                  "hub/governance/pricing"
+                ]
+              },
+              {
+                "group": "Secrets",
+                "icon": "key",
+                "pages": [
+                  "hub/secrets/secret-types",
+                  "hub/secrets/secret-resolution"
+                ]
+              },
+              {
+                "group": "Agents",
+                "icon": "cloud",
+                "pages": ["hub/agents/intro"]
+              },
+              "hub/sharing",
+              "hub/source-control"
+            ]
+          },
           {
             "group": "CLI",
             "icon": "terminal",
@@ -90,6 +131,7 @@
           {
             "group": "Customization",
             "icon": "sliders",
+            "expanded": false,
             "pages": [
               "customization/overview",
               "customization/models",
@@ -102,6 +144,7 @@
           {
             "group": "Help",
             "icon": "book-open",
+            "expanded": false,
             "pages": ["faqs", "troubleshooting", "CONTRIBUTING"]
           }
         ]
@@ -186,52 +229,6 @@
           }
         ]
       },
-      {
-        "tab": "Hub",
-        "groups": [
-          {
-            "group": "Hub",
-            "pages": [
-              "hub/introduction",
-              {
-                "group": "Configs",
-                "icon": "robot",
-                "pages": [
-                  "hub/configs/intro",
-                  "hub/configs/use-a-config",
-                  "hub/configs/create-a-config",
-                  "hub/configs/edit-a-config"
-                ]
-              },
-
-              {
-                "group": "Governance",
-                "icon": "building",
-                "pages": [
-                  "hub/governance/creating-an-org",
-                  "hub/governance/org-permissions",
-                  "hub/governance/pricing"
-                ]
-              },
-              {
-                "group": "Secrets",
-                "icon": "key",
-                "pages": [
-                  "hub/secrets/secret-types",
-                  "hub/secrets/secret-resolution"
-                ]
-              },
-              {
-                "group": "Workflows",
-                "icon": "cloud",
-                "pages": ["hub/workflows/intro"]
-              },
-              "hub/sharing",
-              "hub/source-control"
-            ]
-          }
-        ]
-      },
       {
         "tab": "Guides",
         "groups": [
@@ -1243,10 +1240,6 @@
       "source": "/hub/assistants/edit-an-assistant",
       "destination": "/hub/configs/edit-a-config"
     },
-    {
-      "source": "/hub/agents/intro",
-      "destination": "/hub/configs/intro"
-    },
     {
       "source": "/hub/agents/use-an-agent",
       "destination": "/hub/configs/use-a-config"