update: add cliphist module

lua/modules/cliphist.lua

@@ -0,0 +1,11 @@
+local M = {}
+
+local function start_wl_clipboard()
+	hl.exec_cmd("wl-paste --watch cliphist store")
+end
+
+M.autostart = {
+	start_wl_clipboard,
+}
+
+return M