chore(Brewfile): add mono and Visual Studio Tools for Unity extensions

Author: hironow

dump/Brewfile

@@ -105,6 +105,7 @@ brew "media-info"
 brew "mercurial"
 brew "minikube"
 brew "mkcert"
+brew "mono"
 brew "ncdu"
 brew "nghttp2"
 brew "nss"
@@ -428,6 +429,7 @@ vscode "unifiedjs.vscode-mdx"
 vscode "usernamehw.errorlens"
 vscode "vadimcn.vscode-lldb"
 vscode "visualstudioexptteam.intellicode-api-usage-examples"
+vscode "visualstudiotoolsforunity.vstuc"
 vscode "vitest.explorer"
 vscode "vscjava.vscode-gradle"
 vscode "vscode-icons-team.vscode-icons"