add no-unused and react/recommended to eslint (#1523)

* add no-unused-vars and no-unused-imports

* added quotes: double, and remove ignore pattern

* move itif and describeif into utils

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

src/renderer/components/stepper/index.ts

@@ -1 +1 @@
-export * from './stepper';
+export * from "./stepper";

src/renderer/components/stepper/stepper.tsx

@@ -18,7 +18,7 @@ export class Stepper extends React.Component<StepperProps, {}> {
     let { step } = this.props;
     step = Math.min(Math.max(1, step), stepsCount);
     return (
-      <div {...props} className={cssNames('Stepper flex auto', className)}>
+      <div {...props} className={cssNames("Stepper flex auto", className)}>
         {steps.map(({ title }, i) => {
           const stepNumber = i + 1;
           const isLast = i === stepsCount - 1;