chore: add feature-flagged placeholder for CLI profiles (#38922)

- new feature flag: `docs:hide_cli_profiles`
- this must be implemented as a "negative" flag (hide instead of
  enable), because our current temporary hack for creating the Nimbus
  search index requires that the default state for all flags be true

packages/common/enabled-features/enabled-features.json

@@ -40,6 +40,7 @@
   "docs:framework_quickstarts": true,
   "docs:full_getting_started": true,
   "docs:full_platform": true,
+  "docs:hide_cli_profiles": true,
   "docs:mobile_tutorials": true,
   "docs:pgtap": true,
   "docs:production_checklist": true,

packages/common/enabled-features/enabled-features.schema.json

@@ -115,6 +115,7 @@
       "type": "boolean",
       "description": "Enable the database roles page"
     },
+
     "docs:auth": {
       "type": "boolean",
       "description": "Enable auth docs"
@@ -143,6 +144,10 @@
       "type": "boolean",
       "description": "Enable full platform documentation"
     },
+    "docs:hide_cli_profiles": {
+      "type": "boolean",
+      "description": "Hide docs on CLI profiles"
+    },
     "docs:mobile_tutorials": {
       "type": "boolean",
       "description": "Enable mobile tutorials getting started documentation"
@@ -337,6 +342,7 @@
     "docs:framework_quickstarts",
     "docs:full_getting_started",
     "docs:full_platform",
+    "docs:hide_cli_profiles",
     "docs:mobile_tutorials",
     "docs:pgtap",
     "docs:production_checklist",