Gonzales 3.0: Update `vendor-prefix-align`

- Rename `decl` to `property` in all method names.
- Find `value` node without assuming that it is always `node[3]`.
Gonzales 3.0: Update `sort-order`

Separate different groups of comments:
- `sc0` -> spaces and comments before declaration;
- `sc1` -> spaces and comments between declaration and declaration delimiter;
- `sc2` -> spaces and comments after declaration delimiter.