refac: remove frontend & clearer DDD

.air.toml

@@ -5,7 +5,7 @@ tmp_dir = "tmp"
 [build]
   args_bin = []
   bin = "tmp/main.exe"
-  cmd = "go build -o ./tmp/main.exe ./main"
+  cmd = "go build -o ./tmp/main.exe ./cmd/server"
   delay = 1000
   exclude_dir = ["assets", "tmp", "vendor", "testdata", "api\\static\\tinymce", "api\\static\\bootstrap-icons", "api\\static\\uploadedImages"]
   exclude_file = []