Add clang-format for c/c++ files

Author: Logan Lang

init.lua

@@ -785,6 +785,8 @@ require('lazy').setup({
       end,
       formatters_by_ft = {
         lua = { 'stylua' },
+        c = { 'clang-format' },
+        cpp = { 'clang-format' },
         -- Conform can also run multiple formatters sequentially
         -- python = { "isort", "black" },
         --