Better logger for Renderer Process.

[nfnfgo]

Feature:

• Better console log for Renderer Process.
  • Persist log into log file.
  • ElementCapture feature.
  • Checkout docs/debugging.md for more info.
• Update Settings Page to include Github repo info.

Fix:

• Fix the issue that enabling this plugins will cause QQNT to create several unused system process and which won't be closed after QQNT shutdown.