Create ixd-A

This is the style for the Interaction Design and Architecture(s) journal.
Update and rename ixd-A to ixd-a.csl

I make the changes suggested to comply with formal requirements.
Rename ixd-a.csl to interaction-design-and-architectures.csl
Update interaction-design-and-architectures.csl
Merge pull request #750 from HendrysTobar/patch-1

Create ixd-A