fix: update base path and GitHub link for repo rename to vibe-skill-study

Author: LuckyOneTwoThree

docs/.vitepress/config.mjs

@@ -3,7 +3,7 @@ import { defineConfig } from 'vitepress'
 export default defineConfig({
   title: 'VibeSkill',
   description: 'All-Skill Methodology Vibe Coding Guide',
-  base: '/vibe-skill/',
+  base: '/vibe-skill-study/',
   appearance: false,
 
   head: [
@@ -255,7 +255,7 @@ export default defineConfig({
     siteTitle: 'VibeSkill',
 
     socialLinks: [
-      { icon: 'github', link: 'https://github.com/luckyonetwothree/all-skill' }
+      { icon: 'github', link: 'https://github.com/luckyonetwothree/vibe-skill-study' }
     ],
 
     search: {