fix hue overflow on farba command

lua/plugins/colourscheme.lua

@@ -188,9 +188,18 @@ local bluloco = {
 }
 
 -- THE FUN COLOUR ONE
+function wrapHue(h)
+	if h > 360 then
+		return h - (h%360)
+	end
+	if h < 0 then
+		return -1*((-1*h)%360) + 360
+	end
+	return h
+end
 local baseColour = 180
 vim.api.nvim_create_user_command('FarbaColour', function(opts)
-	baseColour = tonumber(opts.args)
+	baseColour = wrapHue(tonumber(opts.args))
 	require("farba").setup({
 		cache = false,
 		mode = "dark", -- "light"|"dark" or let 'vim.o.background' decide with nil