Add Fluxor to "Other libraries" in README (#209)

* Add Fluxor to "Other libraries" in README

* Update README.md

* Preserve order by character count

Co-authored-by: Stephen Celis <[email protected]>

Author: 2 people

README.md

@@ -458,6 +458,7 @@ There are also many architecture libraries in the Swift and iOS community. Each
 * <details>
   <summary>And more</summary>
 
+  * [Fluxor](https://github.com/FluxorOrg/Fluxor)
   * [PromisedArchitectureKit](https://github.com/RPallas92/PromisedArchitectureKit)
   </details>