add explainitory comment

Signed-off-by: Sebastian Malton <sebastian@malton.name>

src/renderer/components/badge/badge.tsx

@@ -18,6 +18,12 @@ export class Badge extends React.Component<Props> {
         {label}
         {children}
       </span>
+      { /**
+          * This is a zero-width-space. It makes there be a word seperation
+          * between adjacent Badge's because <span>'s are ignored for browers'
+          * word detection algorithmns use for determining the extent of the
+          * text to highlight on multi-click sequences.
+          */}
       &#8203;
     </>
   }