⚡️ perf(wakatime): use script to cache wakatime stats

Refactor wakatime lualine component to use an external script to cache the wakatime stats

scripts/update_wakatime.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# Update the cache file with the Wakatime CLI command
+while true; do
+  ~/.wakatime/wakatime-cli --today >~/.cache/wakatime_cache.txt 2>/dev/null
+  sleep 60
+done