feat: add docs homepage

Author: nejcm

src/pages/index.js

@@ -0,0 +1,91 @@
+import Link from '@docusaurus/Link';
+import useDocusaurusContext from '@docusaurus/useDocusaurusContext';
+import Layout from '@theme/Layout';
+import clsx from 'clsx';
+import React from 'react';
+
+import styles from './index.module.css';
+
+const FeatureList = [
+  {
+    title: 'Algorithms',
+    description: (
+      <>
+        Comprehensive collection of JavaScript algorithms with detailed explanations and
+        implementation examples.
+      </>
+    ),
+  },
+  {
+    title: 'Data Structures',
+    description: (
+      <>
+        Learn about various data structures and their implementations in JavaScript, from basic to
+        advanced concepts.
+      </>
+    ),
+  },
+  {
+    title: 'Code Challenges',
+    description: (
+      <>Practice your skills with real-world coding challenges and their solutions in JavaScript.</>
+    ),
+  },
+];
+
+function Feature({title, description}) {
+  return (
+    <div className={clsx('col col--4')}>
+      <div className="text--center padding-horiz--md">
+        <h3>{title}</h3>
+        <p>{description}</p>
+      </div>
+    </div>
+  );
+}
+
+function HomepageFeatures() {
+  return (
+    <section className={styles.features}>
+      <div className="container">
+        <div className="row">
+          {FeatureList.map((props, idx) => (
+            <Feature key={idx} {...props} />
+          ))}
+        </div>
+      </div>
+    </section>
+  );
+}
+
+function HomepageHeader() {
+  const {siteConfig} = useDocusaurusContext();
+  return (
+    <header className={clsx('hero hero--primary', styles.heroBanner)}>
+      <div className="container">
+        <h1 className="hero__title">{siteConfig.title}</h1>
+        <p className="hero__subtitle">{siteConfig.tagline}</p>
+        <div className={styles.buttons}>
+          <Link className="button button--secondary button--lg" to="/docs/intro">
+            Get Started
+          </Link>
+        </div>
+      </div>
+    </header>
+  );
+}
+
+export default function Home() {
+  const {siteConfig} = useDocusaurusContext();
+  return (
+    <Layout
+      title={`${siteConfig.title}`}
+      description="JavaScript Algorithms and Data Structures Documentation"
+    >
+      <HomepageHeader />
+      <main>
+        <HomepageFeatures />
+      </main>
+    </Layout>
+  );
+}

src/pages/index.module.css

@@ -0,0 +1,25 @@
+.heroBanner {
+  padding: 4rem 0;
+  text-align: center;
+  position: relative;
+  overflow: hidden;
+}
+
+@media screen and (max-width: 996px) {
+  .heroBanner {
+    padding: 2rem;
+  }
+}
+
+.buttons {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.features {
+  display: flex;
+  align-items: center;
+  padding: 2rem 0;
+  width: 100%;
+}