Call to Arms ISNM

[jmcmorris]

I affirm:

• I understand that if I do not agree to the following points by completing the checkboxes my PR will be ignored.
• I understand I should leave resolving conversations to the LandSandBoat team so that reviewers won't miss what was said.
• I have read and understood the Contributing Guide and the Code of Conduct.
• I have tested my code and the things my code has changed since the last commit in the PR and will test after any later commits.

What does this pull request do?

This implements the ISNM "Call to Arms". There wasn't a lot of existing data on this fight's mechanics so Melo and I had to do some digging. Huge shoutout to Melo for repeatedly doing this fight to help us figure it out all.

Retail Proof

Melo Capture Runs 1 & 2
Melo Capture Run 3
Call to Arms on ffxiclopedia
Call To Arms on jp wiki

Steps to test these changes

!pos -99 -7 -91 57
!addkeyitem 807
Enter the fight and engage. You can compare to the captures listed above.