Update Superspec extension to v1.0.2 (#4120)

Update superspec extension submitted by @CrazyBaran:
- extensions/catalog.community.json (version, download_url, updated_at)
- docs/community/extensions.md community extensions table

Closes #4117

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extensions/catalog.community.json

@@ -4604,8 +4604,8 @@
       "id": "superspec",
       "description": "Bridges spec-kit workflows with obra/superpowers capabilities for brainstorming, TDD, code review, and resumable execution.",
       "author": "WangX0111",
-      "version": "1.0.1",
-      "download_url": "https://github.com/WangX0111/superspec/archive/refs/tags/v1.0.1.zip",
+      "version": "1.0.2",
+      "download_url": "https://github.com/WangX0111/superspec/archive/refs/tags/v1.0.2.zip",
       "repository": "https://github.com/WangX0111/superspec",
       "homepage": "https://github.com/WangX0111/superspec",
       "documentation": "https://github.com/WangX0111/superspec/blob/main/README.md",
@@ -4632,7 +4632,7 @@
       "downloads": 0,
       "stars": 0,
       "created_at": "2026-04-22T00:00:00Z",
-      "updated_at": "2026-05-30T00:00:00Z"
+      "updated_at": "2026-08-14T00:00:00Z"
     },
     "sync": {
       "name": "Spec Sync",