Remove Corso docs landing page (#1367)

## Description

Given that we have a website, this change removes the Docs landing page

## Type of change

- [x] 🗺️ Documentation

## Test Plan

- [x] 💪 Manual

docs/docs/intro.md

@@ -1,4 +1,8 @@
-# Introduction
+---
+slug: /
+---
+
+# Corso introduction
 
 ## Overview
 

docs/docusaurus.config.js

@@ -64,19 +64,13 @@ const config = {
     /** @type {import('@docusaurus/preset-classic').ThemeConfig} */
     ({
       navbar: {
-        title: '',
+        title: 'Docs',
         logo: {
           alt: 'Corso Logo',
           src: '/img/corso_horizontal_logo.svg',
           srcDark: 'img/corso_horizontal_logo_white.svg',
         },
         items: [
-          {
-            type: 'doc',
-            docId: 'intro',
-            position: 'left',
-            label: 'Docs',
-          },
           {
             href: 'https://github.com/alcionai/corso',
             label: 'GitHub',
@@ -92,15 +86,6 @@ const config = {
           height: 60,
         },
         links: [
-          {
-            title: 'Resources',
-            items: [
-              {
-                label: 'Docs',
-                to: '/intro',
-              },
-            ],
-          },
           {
             title: 'Community',
             items: [
@@ -151,15 +136,6 @@ const config = {
         },
       },
 
-      image: 'img/cloudbackup.png',
-
-      metadata : [
-        {name: 'twitter:card', content: 'summary_large_image'},
-        {name: 'twitter:site', content: '@corsobackup'},
-        {name: 'twitter:title', content: 'Corso Documentation: Free, Secure, and Open-Source Backup for Microsoft 365'},
-        {name: 'twitter:description', content: 'Documentation for Corso, an open-source tool, that protects Microsoft 365 data by securely and efficiently backing up all business-critical data to object storage.'},
-      ],
-
       prism: {
         theme: lightCodeTheme,
         darkTheme: darkCodeTheme,

docs/src/components/HomepageFeatures/index.js

@@ -1,61 +0,0 @@
-import React from 'react';
-import clsx from 'clsx';
-import styles from './styles.module.css';
-
-const FeatureList = [
-  {
-    title: 'Secure',
-    Svg: require('@site/static/img/security.svg').default,
-    description: (
-      <>
-        Corso provides secure data backup that protects customers against accidental data loss, service provider downtime, and malicious threats including ransomware attacks.
-      </>
-    ),
-  },
-  {
-    title: 'Robust',
-    Svg: require('@site/static/img/data.svg').default,
-    description: (
-      <>
-       Corso, purpose-built for M365 protection, provides easy-to-use comprehensive backup and restore workflows that reduce backup time, improve time-to-recovery, reduce admin overhead, and replace unreliable scripts or workarounds.
-      </>
-    ),
-  },
-  {
-    title: 'Low Cost',
-    Svg: require('@site/static/img/savings.svg').default,
-    description: (
-      <>
-       Corso, a 100% open-source tool, provides a free alternative for cost-conscious teams. It further reduces storage costs by supporting flexible retention policies and efficiently compressing and deduplicating data before storing it in low-cost cloud object storage.
-      </>
-    ),
-  },
-];
-
-function Feature({Svg, title, description}) {
-  return (
-    <div className={clsx('col col--4')}>
-      <div className="text--center">
-        <Svg className={styles.featureSvg} role="img" />
-      </div>
-      <div className="text--center padding-horiz--md">
-        <h3>{title}</h3>
-        <p>{description}</p>
-      </div>
-    </div>
-  );
-}
-
-export default function HomepageFeatures() {
-  return (
-    <section className={styles.features}>
-      <div className="container">
-        <div className="row">
-          {FeatureList.map((props, idx) => (
-            <Feature key={idx} {...props} />
-          ))}
-        </div>
-      </div>
-    </section>
-  );
-}

docs/src/pages/index.js

@@ -1,40 +0,0 @@
-import React from 'react';
-import clsx from 'clsx';
-import Layout from '@theme/Layout';
-import Link from '@docusaurus/Link';
-import useDocusaurusContext from '@docusaurus/useDocusaurusContext';
-import styles from './index.module.css';
-import HomepageFeatures from '@site/src/components/HomepageFeatures';
-
-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="quickstart">
-            Corso Quickstart - 5min ⏱️
-          </Link>
-        </div>
-      </div>
-    </header>
-  );
-}
-
-export default function Home() {
-  const {siteConfig} = useDocusaurusContext();
-  return (
-    <Layout
-      title={`${siteConfig.title}`}
-      description="Documentation for Corso, a free, secure, and open-source backup tool for Microsoft 365">
-      <HomepageHeader />
-      <main>
-        <HomepageFeatures />
-      </main>
-    </Layout>
-  );
-}

docs/src/pages/index.module.css

@@ -1,25 +0,0 @@
-/**
- * CSS files with the .module.css suffix will be treated as CSS modules
- * and scoped locally.
- */
-
-.heroBanner {
-  padding: 4rem 0;
-  text-align: center;
-  position: relative;
-  overflow: hidden;
-  --ifm-hero-text-color: #ffffff;
-  --ifm-color-primary: #4f46e5;
-}
-
-@media screen and (max-width: 996px) {
-  .heroBanner {
-    padding: 2rem;
-  }
-}
-
-.buttons {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-}