Added C# support (i think)

lua/plugins/lsp/mason.lua

@@ -1,4 +1,12 @@
 return {
     "mason-org/mason.nvim",
-    opts = {}
+    opts = {
+		{	
+			registries = {
+				"github:mason-org/mason-registry",
+				"github:Crashdummyy/mason-registry",
+			},
+		}
+
+	}
 }

lua/plugins/lsp/roslyn.lua

@@ -0,0 +1,8 @@
+return {
+    "seblyng/roslyn.nvim",
+    ---@module 'roslyn.config'
+    ---@type RoslynNvimConfig
+    opts = {
+        -- your configuration comes here; leave empty for default settings
+    },
+}