nvim: Migrate configuration to lua and built-in plugin manager

nvim/lua/plugins/telescope.lua

@@ -1,26 +1,12 @@
-return {
-    'nvim-telescope/telescope.nvim',
-    branch = '0.1.x',
-    lazy = false,
-    dependencies = {
-        'nvim-lua/plenary.nvim',
-        'nvim-telescope/telescope-ui-select.nvim',
-    },
-    keys = {
-        { "<C-p>", "<cmd>Telescope<cr>" },
-        { "<C-b>", "<cmd>Telescope buffers<cr>", desc = "Find luffers" },
-        { "<A-r>", "<cmd>Telescope git_files<CR>", desc = "Find files" },
-        { "<C-l>", "<cmd>Telescope lsp_document_symbols<CR>", desc = "Find symbols" },
-        { "<C-d>", "<cmd>lua require('telescope.builtin').diagnostics({severity_limit='WARN'})<CR>", desc = "Show errors and warnings" },
-    },
-    config = function()
-        local t = require("telescope")
-        t.setup({
-            defaults = {
-                preview = false,
-            },
-        })
+vim.pack.add({
+    gh('nvim-telescope/telescope.nvim'),
+    gh('nvim-telescope/telescope-ui-select.nvim'),
+    gh("nvim-lua/plenary.nvim"),
+})
 
-        t.load_extension("ui-select")
-    end
-}
+require("telescope").setup({
+    defaults = {
+        preview = false,
+    },
+})
+require("telescope").load_extension("ui-select")