Provide easy tutorials

News updates should also include an easy to understand non technical tutorials to demonstrate new functions or changes of BTS.

Tutorials can be presented in form of text or video:
- Withdraw/Deposit
- Buy/Sell on Exchange
- Change margin position
- Prediction market
- Timed transfers
- Use lending option
- Use liquidity pool option
- Create own tokens/UIA
- Referral System/LTM

Start by reviewing the existing marketing materials and the listed BitShares functions to identify current coverage and tutorial gaps. Create a consistent set of non-technical text or video tutorials for the requested functions, with completion shown by covering each item in the issue and making the steps understandable to new users.

Written by the indexing model from the issue text.