Here're some of the useful references for fixing and creating more templates and features for the wiki.
- Parser Functions - for writing formula, what should happen if certain values are entered etc.
- Magic Words - associates with a return value such as the number the pages, current page name, today's date, numbers formatting etc.
- Semantic Mediawiki - Data processing and queries etc - mainly used for the card lists and templates.
- Semantic Forms - How to create forms for template such as the card edit forms.