Initial Commit - Add nvim config

Signed-off-by: Daniel Henry <iamdanhenry@gmail.com>

.config/nvim/lua/c/plugins.lua

@@ -0,0 +1,69 @@
+-- C language pack: plugins that only load for C/C++
+-- - clangd (LSP) via nvim-lspconfig
+-- - clang-format on save via conform.nvim
+return {
+
+  -- LSP framework (just the client; the *server* is clangd you installed with Homebrew)
+  {
+    "neovim/nvim-lspconfig",
+    ft = { "c", "cpp" },  -- load only when editing C/C++
+    config = function()
+      local lsp = require("lspconfig")
+
+      -- Minimal, sensible clangd setup.
+      -- Tip: clangd finds your project root via compile_commands.json, compile_flags.txt, or .git
+      lsp.clangd.setup({
+        -- You can pass extra flags here later (e.g., to enable clang-tidy)
+        -- cmd = { "clangd", "--header-insertion=never" },
+        -- capabilities = ... (we'll keep defaults until you add completion later)
+      })
+      -- That's it. Keymaps are added in c/keybindings.lua on LspAttach.
+    end,
+  },
+
+  -- Formatting with clang-format (runs on save for C/C++)
+  -- If you later move Conform to core, keep this block here: it will just *extend* its opts.
+  {
+    "stevearc/conform.nvim",
+    ft = { "c", "cpp" },
+    opts = function(_, opts)
+      opts.formatters_by_ft = opts.formatters_by_ft or {}
+      opts.formatters_by_ft.c   = { "clang-format" }
+      opts.formatters_by_ft.cpp = { "clang-format" }
+      return opts
+    end,
+    config = function(_, opts)
+      local conform = require("conform")
+      conform.setup(opts)
+
+      -- Format C/C++ buffers on save. If clang-format isn't found,
+      -- Conform will fall back to LSP formatting (safe).
+      vim.api.nvim_create_autocmd("BufWritePre", {
+        pattern = { "*.c", "*.h", "*.cpp", "*.hpp" },
+        callback = function(args)
+          conform.format({ bufnr = args.buf, lsp_fallback = true })
+        end,
+      })
+    end,
+  },
+  {
+    "neovim/nvim-lspconfig",
+    ft = { "c", "cpp" },
+    config = function()
+      local lsp = require("lspconfig")
+
+      -- Advertise cmp’s capabilities to clangd (safe even if cmp isn’t loaded yet)
+      local capabilities = vim.lsp.protocol.make_client_capabilities()
+      local ok, cmp_lsp = pcall(require, "cmp_nvim_lsp")
+      if ok then
+        capabilities = cmp_lsp.default_capabilities(capabilities)
+      end
+
+      lsp.clangd.setup({
+        capabilities = capabilities,
+        cmd = { "clangd", "--background-index", "--pch-storage=memory"},
+        -- (keep any flags you had here)
+      })
+    end,
+  },
+}