[DOC] Updated how-to video for skill creation

[NeonDaniel]

Objective

Create some updated video tutorials on how to create a skill

Initial Implementation Requirements

• overview of skill directory structure
• How-to Padatious intent
• How-to Adapt intent
• Optional tests and automation

Other Considerations

Previous videos:
https://www.youtube.com/watch?v=fxg25MaxIcE
https://www.youtube.com/watch?v=DVSroqv6E6k
https://www.youtube.com/watch?v=R_3Q-P3pk8o

Consider starting with the Projen project instead of from-scratch