feat!(trouble): Configure trouble

Make trouble default to using `document_diagnostics`
Also adds keybinds

TODO: Add checking to ensure that wk is available before loading it.

after/plugin/trouble.lua

@@ -0,0 +1,64 @@
+local ok, trouble = pcall(require,'trouble')
+
+if not ok then
+	return
+end
+
+trouble.setup({
+	mode = "document_diagnostics",
+	auto_open = true,
+	auto_close = true,
+
+	fold_open = "",
+	fold_close = "",
+
+	signs = {
+		error		= "",
+		warning		= "",
+		hint		= "",
+		information = "",
+		other		= "",
+	}
+})
+
+local map = vim.keymap.set
+
+map('n',
+	'<leader>xx',
+	function()
+		trouble.toggle()
+	end,
+	{desc = "Toggle trouble"})
+map('n',
+	'<leader>xw',
+	function()
+		trouble.toggle('workspace_diagnostics')
+	end,
+	{desc = "Toggle trouble (workspace)"})
+map('n',
+	'<leader>xd',
+	function()
+		trouble.toggle('document_diagnostics')
+	end,
+	{desc = "Toggle trouble (document)"})
+map('n',
+	'<leader>xq',
+	function()
+		trouble.toggle('quickfix')
+	end,
+	{desc = "Toggle trouble (quickfix)"})
+map('n',
+	'<leader>xl',
+	function()
+		trouble.toggle('loclist')
+	end,
+	{desc = "Toggle trouble (loclist)"})
+map('n',
+	'<leader>xt',
+	function()
+		trouble.toggle('todo')
+	end,
+	{desc = "Toggle trouble (todo)"})
+
+local wk = require("which-key")
+wk.register({ x = {name = "Trouble"}},{prefix = "<leader>"})