feat: add meson tree sittter and lsp support

flake.nix

@@ -124,6 +124,7 @@
                   make
                   gitcommit
                   jsonc
+                  meson
                 ])
               ))
               # for some reason trigger_load still fails to load this in the

lua/lsp/init.lua

@@ -64,6 +64,7 @@ M.setup = function()
   lspconfig.svelte.setup({})
   lspconfig.texlab.setup({})
   lspconfig.clangd.setup({})
+  lspconfig.mesonlsp.setup({})
 end
 
 return M