Use base forme names in banlists where possible (smogon#10515)

* Use base forme names in banlists where possible

This allows you use e.g. 'Arceus-Normal' instead of 'Arceus-Base'.

Also includes some aliases so that all known base forme names actually work.

* Update formats.ts

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Co-authored-by: Kris Johnson <11083252+KrisXV@users.noreply.github.com>

Author: urkerab