fix: separate Air binary path and args for Windows compatibility

backend/.air.toml

@@ -3,7 +3,8 @@ tmp_dir = "tmp"
 
 [build]
   cmd = "go build -o ./tmp/base.exe base.go"
-  bin = "./tmp/base.exe -f etc/base-api.yaml"
+  bin = "./tmp/base.exe"
+  args_bin = ["-f", "etc/base-api.yaml"]
   include_ext = ["go", "yaml"]
   exclude_dir = ["tmp", "vendor", "tests"]
   delay = 1000