Add Clear cache and reload button (#793)

Inspired by: 3c5c2bef6d/src/components/views/elements/ErrorBoundary.tsx (L61-L68)

Signed-off-by: morguldir <morguldir@protonmail.com>

Signed-off-by: morguldir <morguldir@protonmail.com>

src/app/organisms/settings/Settings.jsx

@@ -239,6 +239,7 @@ function AboutSection() {
             <div className="settings-about__btns">
               <Button onClick={() => window.open('https://github.com/ajbura/cinny')}>Source code</Button>
               <Button onClick={() => window.open('https://cinny.in/#sponsor')}>Support</Button>
+              <Button onClick={() => settings.clearCacheAndReload()} variant="danger">Clear cache & reload</Button>
             </div>
           </div>
         </div>