new icon: flyway (original-wordmark)

[Bulani]

Double check these details before you open a PR

• [x] PR does not match another non-stale PR currently opened
• [x] PR name matches the format new icon: Icon name (versions separated by comma). More details here
• [x] PR's base is the develop branch.
• [x] Your icons are inside a folder as seen here
• [x] SVG matches the standards laid out here
• [x] A new object is added in the devicon.json file at the correct alphabetic position as seen here

This PR closes #2550

Link to prove your SVG is correct and up-to-date.

https://upload.wikimedia.org/wikipedia/commons/e/e1/Flyway_logo.svg

[Bulani]

@weh Can you tag it with Hacktoberfest?