Initial experiments with Lua config

lua/plugins/colorscheme.lua

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+return {
+  'rose-pine/neovim', name = 'rose-pine',
+  config = function()
+    require('rose-pine').setup({
+      styles = {
+        transparency = true,
+      },
+    })
+    vim.cmd('colorscheme rose-pine')
+  end
+}

lua/plugins/completions.lua

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+return {
+  'neovim/nvim-lspconfig',
+  dependencies = {
+    'williamboman/mason.nvim',
+    'williamboman/mason-lspconfig.nvim',
+
+    'neovim/nvim-lspconfig',
+    'hrsh7th/cmp-nvim-lsp',
+    'hrsh7th/cmp-buffer',
+    'hrsh7th/cmp-path',
+    'hrsh7th/cmp-cmdline',
+    'hrsh7th/nvim-cmp',
+
+    'folke/neodev.nvim',
+
+    -- TODO: https://github.com/j-hui/fidget.nvim
+    -- TODO: https://github.com/nvimtools/none-ls.nvim
+    -- TODO: https://github.com/mfussenegger/nvim-dap
+    -- TODO: https://github.com/rcarriga/nvim-dap-ui
+  },
+  config = function()
+    require('neodev').setup()
+
+    require('mason').setup()
+    require('mason-lspconfig').setup({
+      ensure_installed = {
+        'clangd',
+        'cmake',
+        'lua_ls',
+      },
+      automatic_installation = false,
+      handlers = {
+        function(server_name)
+          require('lspconfig')[server_name].setup({})
+        end,
+      },
+    })
+
+    require('cmp').setup({
+      sources = {
+        { name = 'nvim_lsp' },
+        -- TODO: snippets
+      },
+    })
+  end,
+}

lua/plugins/statusline.lua

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+return {
+  'nvim-lualine/lualine.nvim',
+  dependencies = {
+    'nvim-tree/nvim-web-devicons',
+  },
+  -- config = function()
+  --   require('lualine').setup()
+  -- end
+}

lua/plugins/treesitter.lua

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+return {
+  "nvim-treesitter/nvim-treesitter",
+  build = ":TSUpdate",
+  config = function()
+    require('nvim-treesitter').setup()
+    local configs = require("nvim-treesitter.configs")
+    configs.setup({
+      ensure_installed = {
+        "asm",
+        "bash",
+        "c",
+        "cmake",
+        "cpp",
+        "css",
+        "csv",
+        "cuda",
+        "diff",
+        "disassembly",
+        "dockerfile",
+        "dot",
+        "doxygen",
+        "git_config",
+        "git_rebase",
+        "gitattributes",
+        "gitignore",
+        "glsl",
+        "gpg",
+        "hlsl",
+        "html",
+        "ini",
+        "javascript",
+        "jq",
+        "json",
+        "llvm",
+        "lua",
+        "make",
+        "meson",
+        "ninja",
+        "objc",
+        "objdump",
+        "printf",
+        "proto",
+        "python",
+        "query",
+        "regex",
+        "requirements",
+        "rst",
+        "ssh_config",
+        "strace",
+        "tmux",
+        "toml",
+        "vim",
+        "vimdoc",
+        "xml",
+        "yaml",
+      },
+      sync_install = false,
+      highlight = {
+        enable = true,
+      },
+      indent = {
+        enable = true,
+      },
+    })
+  end
+}