Update 2.1 Documentation

[timmwille]

• ASKmod Reduce glue variations #64
• ASKmod Reduce pencil case #66
• Reduce individual tools #65
• Reduce trolley and backpack #68
• ASKmod Rethinking travel set #67
• ASKmod Reduce materials #63
• ASKmod First Aid Kit rething #62
• ASKmod Completely revise Ardoino Kit #61
• ASKmod Smaller Sewing Kit  #60
• Add Open Documentation Guide to BoM #57
• ASKmods of Update readme with all associated project repositories #56
• Update Content-List #55
• Create 2x ASKotec plates #74 add to Repo per version?
• ... Packing Guide, ASKmod Packing sheets, etc.

[timmwille]

@bmen what we need to have ready for #72 so the 2 kits can be used in field