Add more ESLint rules and change the formatting scripts (#626)

* Add curly rule in ESLint for consistency

* Fix rules

* More rules

* REturn

* Push

* no else return

* prefer const

* destructing

src/components/FixedSideContainer.tsx

@@ -12,7 +12,7 @@ export function FixedSideContainer({
   side,
 }: FixedSideContainerProps) {
   return (
-    <div className={"FixedSideContainer FixedSideContainer_side_" + side}>
+    <div className={`FixedSideContainer FixedSideContainer_side_${side}`}>
       {children}
     </div>
   );