add(examples/styles): color palette to showcase all available colors to render (except for .default)

README.md

@@ -136,15 +136,15 @@ the primary use-case for myself to create this library in the first place.
     - [x] Scrollable Content (i.e. show long text of an except of something and other smaller `Container`)
       - [x] min size
       - [x] mouse scrolling aware of mouse position (i.e. through multiple different scrollable `Container`)
-    - [ ] Launch sub-applications (not inside of a `Container` but during the application workflow, like an editor)
   - [ ] Styles
     - [ ] Text styles
-    - [ ] Color palette
+    - [x] Color palette
   - [ ] Error Handling
     - [ ] log and show error's without crashing the application
     - [ ] show application error that will cause a crash
   - [ ] Demo
     - [ ] use another tui application to launch and come back to (showcase the interrupt behavior)
+    - [ ] Launch sub-applications (not inside of a `Container` but during the application workflow, like an editor)
 - [ ] Testability
   - [ ] snapshot ability to safe current screen (from `Renderer`) to test against
   - [ ] try to integrate them into the library itself such that they also serve as examples on how to test