usability improvements

- add autocmds to highlight yanking and disabling line numbers in Oil
- lsp-zero: fix 'gd' command by setting 'preserve_mappings' to false
- lualine: show clock, simplify statusline, shorten mode name
- oil: decrease float window size, add 'q' hotkey to close window
- prefs: show line numbers again, disable additional mode showing
- add todo-comments.nvim
- remap: add keymap to find all TODOs/FIXME/XXX etc.

lua/weeheavy/autocmd.lua

@@ -0,0 +1,18 @@
+-- Highlight yanked text on e.g. yy,yap etc.
+vim.api.nvim_create_autocmd("TextYankPost", {
+	desc = "Highlight when yanking (copying) text",
+	group = vim.api.nvim_create_augroup("weeheavy-highlight-yank", { clear = true }),
+	callback = function()
+		vim.highlight.on_yank()
+	end,
+})
+
+-- Disable (relative) line numbers on Oil windows
+vim.api.nvim_create_autocmd("FileType", {
+	group = vim.api.nvim_create_augroup("weeheavy-no-line-numbers-in-oil", { clear = true }),
+	pattern = { "oil" },
+	callback = function()
+		vim.opt.relativenumber = false
+		vim.opt.number = false
+	end,
+})