Update plugin index

Author: github-actions[bot]

plugins/index.json

@@ -32,6 +32,7 @@
 { "name": "rust", "desc": "Rust plugin https://releases.rs/docs/", "homepage": "https://github.com/XZzYassin/vfox-rust" },
 { "name": "scala", "desc": "Scala plugin, https://www.scala-lang.org/", "homepage": "https://github.com/version-fox/vfox-scala" },
 { "name": "terraform", "desc": "Terraform plugin, https://www.terraform.io/", "homepage": "https://github.com/enochchau/vfox-terraform" },
+{ "name": "tomcat", "desc": "Tomcat plugin for vfox.", "homepage": "https://github.com/sixmillions/vfox-tomcat" },
 { "name": "vagrant", "desc": "Vagrant plugin, https://www.vagrantup.com/", "homepage": "https://github.com/johnxu16/vfox-vagrant" },
 { "name": "vlang", "desc": "Vlang plugin", "homepage": "https://github.com/ahai-code/vfox-vlang" },
 { "name": "zig", "desc": "Zig runtime environment.", "homepage": "https://github.com/version-fox/vfox-zig" }