chore: gitignore superpowers docs

Author: st0o0

.gitignore

@@ -336,6 +336,7 @@ ASALocalRun/
 docs/node_modules/
 docs/.vitepress/dist/
 docs/.vitepress/cache/
+docs/superpowers/*
 *.likec4-export/
 
 # CUSTOM
@@ -371,4 +372,4 @@ TurboHTTP/.obsidian/
 .maggus/logs/
 .maggus/worktrees/
 
-*.ps1
+*.ps1