added plantuml plugin

lua/plugins/init.lua

@@ -60,6 +60,13 @@ return {
         },
         config = function() require("config.lspconfig") end
     }, {
+        'yriveiro/plantuml.nvim',
+        dependencies = {'3rd/image.nvim'},
+        config = function()
+            require('plantuml').setup({
+                -- Optional configuration
+            })
+        end
     }, {
         "nvim-treesitter/nvim-treesitter",
         config = function() require("config.treesitter") end