nvim/lsp: add an usercommand to toggle inlay hints

.config/nvim/lua/lsp.lua

@@ -28,12 +28,20 @@ M.on_attach = function(client, bufnr)
     nnoremap("<leader>r", vim.lsp.buf.rename, "rename symbol")
     pcall(nnoremap, "<leader>f", function() vim.lsp.buf.format { async = true } end, "format buffer", { unique = true })
 
+    vim.api.nvim_buf_create_user_command(
+        bufnr,
+        "LspToggleInlayHints",
+        function() vim.lsp.inlay_hint.enable(not vim.lsp.inlay_hint.is_enabled()) end,
+        {}
+    )
     local filetype = vim.api.nvim_get_option_value("filetype", { buf = bufnr })
     if
         client:supports_method(methods.textDocument_inlayHint)
         -- Never start cabal with inlay hint request
         -- Related: https://github.com/mrcjkb/haskell-tools.nvim/discussions/485
         and filetype ~= "cabal"
+        -- I find it annoying especially with qmk
+        and filetype ~= "c"
     then
         vim.lsp.inlay_hint.enable(true, { bufnr = bufnr })
     end