Add example timing and schedule structure guidelines to LU04

[alxlo]

Purpose: Provide concrete guidance on structuring T3 and FL training sessions.

How to get started:

1. Review your own FL training schedule
2. List timing challenges you've encountered
3. Consider different training formats (in-person, online, hybrid)

Content requirements:

• Sample schedules for different formats
• Time allocation principles
• Adaptation strategies

Definition of Done:
Section includes:

• Sample 5-day T3 training schedule
• Sample 3-day FL training schedule
• Guidelines for:
  • Session length
  • Break frequency/duration
  • Exercise timing
  • Buffer time allocation
• Adaptation guidance for:
  • Different group sizes
  • Online vs in-person
  • Different experience levels
• Common timing pitfalls and solutions
• Maximum and minimum durations for key topics

Suggested time-box: 4 hours
References needed: Existing training schedules, adult learning literature about attention spans