chore: Added Scarf Tag For Tracking

website/src/components/scarf/Scarf.jsx

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+import React from 'react'
+
+const ScarfTag = () => {
+  return (
+    <img
+      alt="scarf"
+      referrerPolicy="no-referrer-when-downgrade"
+      src="https://static.scarf.sh/a.png?x-pxid=a56ed60e-6f2d-465c-ab2a-409f2086abc5"
+    />
+  )
+}
+
+export { ScarfTag }

website/src/components/scarf/index.js

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+export * from './Scarf'

website/src/theme/Footer/index.js

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+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+import React from 'react'
+import clsx from 'clsx'
+import Link from '@docusaurus/Link'
+import { useThemeConfig } from '@docusaurus/theme-common'
+import useBaseUrl from '@docusaurus/useBaseUrl'
+import isInternalUrl from '@docusaurus/isInternalUrl'
+import styles from './styles.module.css'
+import ThemedImage from '@theme/ThemedImage'
+import IconExternalLink from '@theme/IconExternalLink'
+import { ScarfTag } from '../../components/scarf'
+
+function FooterLink({ to, href, label, prependBaseUrlToHref, ...props }) {
+  const toUrl = useBaseUrl(to)
+  const normalizedHref = useBaseUrl(href, {
+    forcePrependBaseUrl: true
+  })
+  return (
+    <Link
+      className="footer__link-item"
+      {...(href
+        ? {
+            href: prependBaseUrlToHref ? normalizedHref : href
+          }
+        : {
+            to: toUrl
+          })}
+      {...props}>
+      {href && !isInternalUrl(href) ? (
+        <span>
+          {label}
+          <IconExternalLink />
+        </span>
+      ) : (
+        label
+      )}
+    </Link>
+  )
+}
+
+function FooterLogo({ sources, alt, width, height }) {
+  return <ThemedImage className="footer__logo" alt={alt} sources={sources} width={width} height={height} />
+}
+
+function MultiColumnLinks({ links }) {
+  return (
+    <>
+      {links.map((linkItem, i) => (
+        <div key={i} className="col footer__col">
+          <div className="footer__title">{linkItem.title}</div>
+          <ul className="footer__items">
+            {linkItem.items.map((item, key) =>
+              item.html ? (
+                <li
+                  key={key}
+                  className="footer__item" // Developer provided the HTML, so assume it's safe.
+                  // eslint-disable-next-line react/no-danger
+                  dangerouslySetInnerHTML={{
+                    __html: item.html
+                  }}
+                />
+              ) : (
+                <li key={item.href || item.to} className="footer__item">
+                  <FooterLink {...item} />
+                </li>
+              )
+            )}
+          </ul>
+        </div>
+      ))}
+    </>
+  )
+}
+
+function SimpleLinks({ links }) {
+  return (
+    <div className="footer__links">
+      {links.map((item, key) => (
+        <>
+          {item.html ? (
+            <span
+              key={key}
+              className="footer__link-item" // Developer provided the HTML, so assume it's safe.
+              // eslint-disable-next-line react/no-danger
+              dangerouslySetInnerHTML={{
+                __html: item.html
+              }}
+            />
+          ) : (
+            <FooterLink {...item} />
+          )}
+          {links.length !== key + 1 && <span className="footer__link-separator">·</span>}
+        </>
+      ))}
+    </div>
+  )
+}
+
+function isMultiColumnFooterLinks(links) {
+  return 'title' in links[0]
+}
+
+function Footer() {
+  const { footer } = useThemeConfig()
+  const { copyright, links = [], logo = {} } = footer || {}
+  const sources = {
+    light: useBaseUrl(logo.src),
+    dark: useBaseUrl(logo.srcDark || logo.src)
+  }
+
+  if (!footer) {
+    return null
+  }
+
+  return (
+    <footer
+      className={clsx('footer', {
+        'footer--dark': footer.style === 'dark'
+      })}>
+      <div className="container container-fluid">
+        {links &&
+          links.length > 0 &&
+          (isMultiColumnFooterLinks(links) ? (
+            <div className="row footer__links">
+              <MultiColumnLinks links={links} />
+            </div>
+          ) : (
+            <div className="footer__links text--center">
+              <SimpleLinks links={links} />
+            </div>
+          ))}
+        {(logo || copyright) && (
+          <div className="footer__bottom text--center">
+            {logo && (logo.src || logo.srcDark) && (
+              <div className="margin-bottom--sm">
+                {logo.href ? (
+                  <Link href={logo.href} className={styles.footerLogoLink}>
+                    <FooterLogo alt={logo.alt} sources={sources} width={logo.width} height={logo.height} />
+                  </Link>
+                ) : (
+                  <FooterLogo alt={logo.alt} sources={sources} />
+                )}
+              </div>
+            )}
+            {copyright ? (
+              <div
+                className="footer__copyright" // Developer provided the HTML, so assume it's safe.
+                // eslint-disable-next-line react/no-danger
+                dangerouslySetInnerHTML={{
+                  __html: copyright
+                }}
+              />
+            ) : null}
+          </div>
+        )}
+      </div>
+      <ScarfTag />
+    </footer>
+  )
+}
+
+export default React.memo(Footer)

website/src/theme/Footer/styles.module.css

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+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+.footerLogoLink {
+  opacity: 0.5;
+  transition: opacity var(--ifm-transition-fast) var(--ifm-transition-timing-default);
+}
+
+.footerLogoLink:hover {
+  opacity: 1;
+}