Fix the config and add C# lsp

lua/plugins/mason.lua

@@ -11,7 +11,7 @@ return {
         "bashls",
         -- "pylsp"=,
         "pyright",
-        "cmake",
+        -- "cmake",
         "mesonlsp",
         "vimls",
         "cssls",
@@ -19,6 +19,19 @@ return {
       })
     end,
   },
+  {
+    "williamboman/mason.nvim",
+    opts = {
+      registries = {
+        -- default Mason registry has highest priority
+        "github:mason-org/mason-registry",
+        -- Add the AstroNvim mason registry
+        "github:AstroNvim/mason-registry",
+        -- C# lsp
+        "github:Crashdummyy/mason-registry",
+      },
+    },
+  },
   -- use mason-null-ls to configure Formatters/Linter installation for null-ls sources
   {
     "jay-babu/mason-null-ls.nvim",