rwiegand 6b4b9e0b50 Add battery drain analysis tool and update documentation ...

- Add battery-drain-analysis.sh: Comprehensive tool to identify battery draining processes
  - Shows top CPU and memory consumers
  - Identifies network-intensive applications
  - Analyzes browser tab usage (counts renderers)
  - Provides actionable recommendations
  - Checks WiFi power management status

- Update README.md with new features:
  - Document CPU power management capabilities (400MHz-4.2GHz dynamic scaling)
  - Add browser optimization tips (tab suspenders, task manager usage)
  - Add application management best practices
  - Document new scripts: cpu-power-control.sh, monitor-cpu-freq.sh, battery-drain-analysis.sh
  - Add BIOS configuration guide reference

- Improve battery life tips:
  - Close heavy browser tabs (can use 77%+ CPU per tab)
  - Install tab suspender extensions (saves 50-70% browser CPU)
  - Manage chat applications (Element/Slack/Discord)
  - Pause file sync services when on battery
  - Screen brightness recommendations

Identified issue: Single browser tab was using 77% CPU, reducing overall browser usage from 268% to 96% CPU

2025-10-06 22:50:32 +02:00

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