Allright, some guides which would be good:
Farming:
How to make fields and plant (including info about timespan to grow, game mechanics)
How to use the coop and whatfor?
Cooking and benefits for Skillprogression!
Procuration: How to get "boil" flax and tan leather
Tailoring: tiny video about using the spinning tool, some calcs about what you need to get the Rope
Smithing:
How to prospect for ore properly?
Terraforming: Your first tunnel to hit the Ore-Vein!
Mining: (infos like you cant mine the roof etc)
Smithing: How to? (mention the smithin shop use = 100Q on all items made there)
Smelting: Different Devices and benefits! (Smelting broken tools in bloomery later on, smelt Ingots to bars etc, inventory space and heat), mention smelting times
Kiln: What for? (Coal/glass)
Forestry:
Replanting trees, why is it important (mention regrowth time!)
Hardwood vs Softwood? Different Farming trees?
I think we can skip logging, besides a mention in other vids...
Carpentry: What can you do with it? What TOOLS do you need for what?
Bowcraft basics, First bolts/X-Bow
Terraforming:
What to Terraform and why? flattening ground.
General Construction Info (Like: dont put 10 branches into ugly fences, use 9 to skill and then deconstruct!)
HOW TO get the Mallet
First buildings, how to build walls uphill/downhill
Differences: Masonary, Architecture, Construction
Natures Lore
Well, all around Herbs, gathering and of course: FLUX
Fighting mechanics
Armor skills
The power of the Group and formations skills
How to find CLAY
mayb do this one early on or mention it on your map tut (never watched the tuts^^')
Well, then of course gameplay mechanics, and tools should always be mentioned, and the what impacts the Quality and what do you need a high quality for?
Guess, that covered everything and a good month work for you ^^