Editing the Wiki
Contents
Categories
List of all categories: Special:Categories
All pages should belong to at least one category
There is a single top-level category Category:Contents that you can descend through to find something appropriate
Adding a Category
Add to the bottom of a page: [[Category:Foo]]
Or there's a blue square button with a C on the right in the wiki text editor
Creating a Category
Create a page named Category:Foo
Categories can be members of other categories, this will create a tree structure
Link to a Category with [[:Category:Foo]]
Templates
List of all templates: Special:PrefixIndex/Template:
Adding a Template
Add to the page: {{Template:Foo}}
(This can be used to include the contents of any page, the `Template:` prefix is just a convention)
Creating a Template
Create a page named Template:Foo
The Template:Color box template can be used within another template to create a coloured box
See template documentation at [1]
Watching Pages
There is a 'Watch this page' checkbox when you edit a page - does this do anything?
Adding New Users
Merging Pages
https://en.wikipedia.org/wiki/Wikipedia:Merging#How_to_merge