feat: implemented the top page

src/routes/index.tsx

@@ -1,10 +1,72 @@
-import type { Component, JSX } from 'solid-js';
+import type { Component } from 'solid-js';
+import { FeatureDetail } from '../components/atoms/FeatureDetail.js';
+import { Hero } from '../components/atoms/Hero.js';
+import { WideAnchorButton } from '../components/atoms/WideAnchorButton.js';
+import { Features } from '../components/molecules/Features.js';
+import { TextAnchor } from '../components/molecules/TextAnchor.js';
+import { IconsLength } from '../components/organisms/IconsLength.js';
+import { iconsToDo, vccUrl, vpmUrl } from '../constants.json';
 
-const Index: Component = (): JSX.Element => (
-  <main class="article-container">
-    <h2>Top page</h2>
-    <p>TODO: Add the content here.</p>
-  </main>
+/** The URL to add to VCC. */
+const encodedVccUrl = `${vccUrl}${encodeURIComponent(vpmUrl)}`;
+
+/**
+ * The index page.
+ * @returns The component.
+ */
+const Index: Component = () => (
+  <>
+    <Hero addToVccLink={encodedVccUrl} />
+    <Features iconsLength={<IconsLength />} />
+    <FeatureDetail heading={<>0 SVG icons</>} image="images/illustrator.png">
+      <p class="font-light leading-relaxed py-2">
+        The Launchpad Icons provide 0 &nbsp;icons that look&nbsp;
+        <strong class="font-bold">like VRChat icons</strong>, and we plan to
+        have more than {iconsToDo} in the future.
+      </p>
+      <p class="font-light leading-relaxed py-2">
+        All included icons have been redesigned in Adobe Illustrator and
+        exported as <strong class="font-bold">SVG</strong>. Since they are in
+        vector format, they can be displayed beautifully even when significantly
+        enlarged.
+      </p>
+    </FeatureDetail>
+    <FeatureDetail heading="Includes raw SVG files" image="images/svgfiles.png">
+      <p class="font-light leading-relaxed py-2">
+        Launchpad Icons don't contain any logic and provide&nbsp;
+        <strong class="font-bold">raw SVG files</strong>. It means that they can
+        be easily adapted for use in&nbsp;
+        <strong class="font-bold">general Unity apps, not just VRChat</strong>.
+      </p>
+      <p class="font-light leading-relaxed py-2">
+        Launchpad Icons bundles them only as a <em>unitypackage</em> to import
+        via VRChat Creator Companion, but we plan to offer it as an NPM package
+        for ease of use on the web.
+      </p>
+    </FeatureDetail>
+    <FeatureDetail heading="Free & OSS" image="images/by-nc.svg">
+      <p class="font-light leading-relaxed py-2">
+        Launchpad Icons is provided <strong class="font-bold">FREE</strong> of
+        charge under the&nbsp;
+        <TextAnchor url="https://creativecommons.org/licenses/by-nc/4.0/">
+          Creative Commons 4.0 International (
+          <strong class="font-bold">BY-NC</strong>) license
+        </TextAnchor>
+        . You can use it without restriction for non-commercial purposes,
+        provided the copyright notice is displayed.
+      </p>
+      <p class="font-light leading-relaxed py-2">
+        We also release it as open-source software. Welcome your&nbsp;
+        <TextAnchor url="https://github.com/kurone-kito/launchpad-icons">
+          contributions
+        </TextAnchor>
+        &nbsp;to make it better!
+      </p>
+    </FeatureDetail>
+    <section class="mx-auto p-12 md:p-20 lg:container">
+      <WideAnchorButton url="docs">Getting started</WideAnchorButton>
+    </section>
+  </>
 );
 
 export default Index;