Revert "Update project structure and enhance build process"

This reverts commit 4cf3d9cfb5.

.gitignore

@@ -94,6 +94,10 @@ cmd/benchmark/data
 !contrib/stella/.dockerignore
 !*.jsx
 !*.tsx
+!app/web/dist
+!/app/web/dist
+!/app/web/dist/*
+!/app/web/dist/**
 !bun.lock
 !*.svelte
 # ...even if they are in subdirectories
@@ -118,3 +122,4 @@ pkg/database/testrealy
 /.idea/.name
 /ctxproxy.config.yml
 cmd/benchmark/external/**
+app/web/dist/**