Add Reqnroll BDD extension to community catalog (#2545)

Add reqnroll-bdd extension submitted by @stenyin (LoogaCY Studio) to:
- extensions/catalog.community.json (alphabetical order)
- README.md community extensions table

Closes #2544

README.md

@@ -258,6 +258,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | Reconcile Extension | Reconcile implementation drift by surgically updating feature artifacts. | `docs` | Read+Write | [spec-kit-reconcile](https://github.com/stn1slv/spec-kit-reconcile) |
 | Red Team | Adversarial review of specs before /speckit.plan — parallel lens agents surface risks that clarify/analyze structurally can't (prompt injection, integrity gaps, cross-spec drift, silent failures). Produces a structured findings report; no auto-edits to specs. | `docs` | Read+Write | [spec-kit-red-team](https://github.com/ashbrener/spec-kit-red-team) |
 | Repository Index | Generate index for existing repo for overview, architecture and module level. | `docs` | Read-only | [spec-kit-repoindex](https://github.com/liuyiyu/spec-kit-repoindex) |
+| Reqnroll BDD | Adds Reqnroll BDD planning, Gherkin generation, traceability, safe task injection, handoff, and verification to Spec Kit | `process` | Read+Write | [spec-kit-reqnroll-bdd](https://github.com/LoogacyStudio/spec-kit-reqnroll-bdd) |
 | Retro Extension | Sprint retrospective analysis with metrics, spec accuracy assessment, and improvement suggestions | `process` | Read+Write | [spec-kit-retro](https://github.com/arunt14/spec-kit-retro) |
 | Retrospective Extension | Post-implementation retrospective with spec adherence scoring, drift analysis, and human-gated spec updates | `docs` | Read+Write | [spec-kit-retrospective](https://github.com/emi-dm/spec-kit-retrospective) |
 | Review Extension | Post-implementation comprehensive code review with specialized agents for code quality, comments, tests, error handling, type design, and simplification | `code` | Read-only | [spec-kit-review](https://github.com/ismaelJimenez/spec-kit-review) |

extensions/catalog.community.json

@@ -1,6 +1,6 @@
 {
   "schema_version": "1.0",
-  "updated_at": "2026-05-12T21:40:51Z",
+  "updated_at": "2026-05-13T00:00:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/extensions/catalog.community.json",
   "extensions": {
     "aide": {
@@ -2081,6 +2081,44 @@
       "created_at": "2026-03-23T13:30:00Z",
       "updated_at": "2026-03-23T13:30:00Z"
     },
+    "reqnroll-bdd": {
+      "name": "Reqnroll BDD",
+      "id": "reqnroll-bdd",
+      "description": "Adds Reqnroll BDD planning, Gherkin generation, traceability, safe task injection, handoff, and verification to Spec Kit.",
+      "author": "LoogaCY Studio",
+      "version": "1.0.0",
+      "download_url": "https://github.com/LoogacyStudio/spec-kit-reqnroll-bdd/archive/refs/tags/v1.0.0.zip",
+      "repository": "https://github.com/LoogacyStudio/spec-kit-reqnroll-bdd",
+      "homepage": "https://github.com/LoogacyStudio/spec-kit-reqnroll-bdd",
+      "documentation": "https://github.com/LoogacyStudio/spec-kit-reqnroll-bdd#readme",
+      "changelog": "https://github.com/LoogacyStudio/spec-kit-reqnroll-bdd/blob/main/CHANGELOG.md",
+      "license": "MIT",
+      "requires": {
+        "speckit_version": ">=0.8.0",
+        "tools": [
+          {
+            "name": "dotnet",
+            "required": false
+          }
+        ]
+      },
+      "provides": {
+        "commands": 4,
+        "hooks": 1
+      },
+      "tags": [
+        "bdd",
+        "reqnroll",
+        "dotnet",
+        "gherkin",
+        "acceptance-testing"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-05-13T00:00:00Z",
+      "updated_at": "2026-05-13T00:00:00Z"
+    },
     "retro": {
       "name": "Retro Extension",
       "id": "retro",