Cred store docs days (#4579)

* add a new cred management files

* adding credential management files

* fixed type-os, added ent labels, grouped cli/ui

* added reference links from concepts section and Vault integration section to new cred management pages

* style guide and formatting enhancements

* style guide and formatting enhancements

* fixes internal link

* docs: Updates for styles and standards

* docs: Fix link structure

* docs: Break out brokering/injection procedures

* Apply batch suggestions from code review

Co-authored-by: Robin Beck <stellarsquall@users.noreply.github.com>

* docs: Clean up commented out code

* docs: Rename index file per best practices

* docs: Update page description meta content

* docs: Add level 2 headings for organization

---------

Co-authored-by: Robin Beck <stellarsquall@protonmail.ch>
Co-authored-by: Dan Heath <76443935+Dan-Heath@users.noreply.github.com>
Co-authored-by: Robin Beck <stellarsquall@users.noreply.github.com>

website/data/docs-nav-data.json

@@ -481,6 +481,36 @@
           }
         ]
       },
+      {
+        "title": "Credential management",
+        "routes": [
+          {
+            "title": "Overview",
+            "path": "configuration/credential-management"
+          },
+          {
+            "title": "Create a static credential store",
+            "path": "configuration/credential-management/static-cred-boundary"
+          },
+          {
+            "title": "Create a Vault credential store",
+            "path": "configuration/credential-management/static-cred-vault"
+          },
+          {
+            "title": "Configure targets with credential brokering",
+            "path": "configuration/credential-management/configure-credential-brokering"
+          },
+          {
+            "title": "Configure targets with credential injection",
+            "path": "configuration/credential-management/configure-credential-injection",
+            "badge": {
+              "text": "HCP/ENT",
+              "type": "outlined",
+              "color": "neutral"
+            }
+          }
+        ]
+      },
       {
         "title": "Session recordings",
         "badge": {