basic C lang support

lua/plugins/mason-lspconfig.lua

@@ -29,5 +29,6 @@ return {
         --   - { exclude: string[] }: All servers set up via lspconfig, except the ones provided in the list, are automatically installed.
         --       Example: automatic_installation = { exclude = { "rust_analyzer", "solargraph" } }
         automatic_installation = true,
+        automatic_enable = true
     }
 }

lua/plugins/nvim-lspconfig.lua

@@ -191,5 +191,13 @@ return {
             on_attach = on_attach,
             capabilities = capabilities,
         }
+        require 'lspconfig'.clangd.setup {
+            on_attach = on_attach,
+            capabilities = capabilities,
+        }
+        require 'lspconfig'.cmake.setup {
+            on_attach = on_attach,
+            capabilities = capabilities,
+        }
     end
 }

lua/plugins/treesitter.lua

@@ -2,7 +2,7 @@ return function()
     require 'nvim-treesitter.configs'.setup {
         -- A list of parser names, or "all"
         ensure_installed = { "helm", "awk", "bash", "comment",
-            "css", "csv", "devicetree", "diff", "dockerfile", "git_config",
+            "css", "csv", "c", "cmake", "devicetree", "diff", "dockerfile", "git_config",
             "git_rebase", "gitattributes", "gitcommit",
             "html", "htmldjango", "http", "ini",
             "json", "kconfig",