Install eslint and prettier.

app/src/templates/categoryTemplate.js

@@ -1,17 +1,17 @@
 import React, { useState, useEffect } from "react"
-import { graphql } from 'gatsby'
+import { graphql } from "gatsby"
 
 import Layout from "../components/layout"
 import SEO from "../components/seo"
-import SideBar from "../components/sidebar";
-import {Container, Row, Col} from 'react-bootstrap';
-import BookFeed from "../components/feed";
+import SideBar from "../components/sidebar"
+import { Container, Row, Col } from "react-bootstrap"
+import BookFeed from "../components/feed"
 
 const basicTemplate = props => {
-    const { pageContext } = props
-    const { categoryName, books } = pageContext
-  
-    return (
+  const { pageContext } = props
+  const { categoryName, books } = pageContext
+
+  return (
     <Layout>
       <SEO title="Home" />
       <Container fluid>
@@ -20,11 +20,11 @@ const basicTemplate = props => {
             <SideBar />
           </Col>
           <Col>
-              <BookFeed books={books} categoryName={categoryName} />
+            <BookFeed books={books} categoryName={categoryName} />
           </Col>
         </Row>
       </Container>
     </Layout>
-    )
+  )
 }
 export default basicTemplate