Fix docs' CSS urls (software-mansion#1331)

Author: jgonet

docs/src/css/custom.css

@@ -1,20 +1,28 @@
 @font-face {
   font-family: 'Aeonik Regular';
   src: url('/fonts/Aeonik-Regular.woff2') format('woff2'),
-    url('/fonts/Aeonik-Regular.woff') format('woff');
+    url('/react-native-gesture-handler/fonts/Aeonik-Regular.woff2')
+      format('woff2'),
+    url('/fonts/Aeonik-Regular.woff') format('woff'),
+    url('/react-native-gesture-handler/fonts/Aeonik-Regular.woff')
+      format('woff');
   font-display: swap;
 }
 
 @font-face {
   font-family: 'Aeonik Bold';
   src: url('/fonts/Aeonik-Bold.woff2') format('woff2'),
-    url('/fonts/Aeonik-Bold.woff') format('woff');
+    url('/react-native-gesture-handler/fonts/Aeonik-Bold.woff2') format('woff2'),
+    url('/fonts/Aeonik-Bold.woff') format('woff'),
+    url('/react-native-gesture-handler/fonts/Aeonik-Bold.woff') format('woff');
   font-display: swap;
 }
 
-@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@500&display=swap");
+@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@500&display=swap');
 
 :root {
+  --gh-logo: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill='white' d='M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12'/%3E%3C/svg%3E");
+
   --h1-font-size: 3rem;
   --h2-font-size: 2rem;
   --h3-font-size: 1.5rem;
@@ -78,7 +86,12 @@
   --ifm-menu-color: var(--ifm-color-primary);
   --ifm-menu-color-background-active: none;
   --ifm-menu-color-background-hover: none;
-  --ifm-menu-link-sublist-icon: url("data:image/svg+xml;utf8,<svg alt="Arrow" xmlns="http://www.w3.org/2000/svg" width="13px" height="13px" viewBox="0 0 24 24"><path fill="rgba(5,5,76,1)" d="M7.41 15.41L12 10.83l4.59 4.58L18 14l-6-6-6 6z"></path></svg>");
+  --ifm-menu-link-sublist-icon: url('data:image/svg+xml;utf8,<svg alt='Arrow' xmlns='http://www.w3.org/2000/svg' width='13px' height='13px' viewBox='002424'><path fill='rgba(
+      5,
+      5,
+      76,
+      1
+    )' d='M7.4115.41l1210.83l4.594.58l1814l-6-6-66z'></path></svg>');
   --ifm-menu-link-padding-horizontal: 14px;
   --ifm-hr-border-color: #dcdfeb;
   --ifm-container-width: 1900px;
@@ -135,19 +148,19 @@ h6 {
   display: hidden;
 }
 
-.navbar__item.navbar__link[href*="github"] {
+.navbar__item.navbar__link[href*='github'] {
   display: flex;
   font-size: 0;
   padding: 0;
 }
 
-.navbar__item.navbar__link[href*="github"]:before {
-  content: "";
+.navbar__item.navbar__link[href*='github']:before {
+  content: '';
   min-width: 24px;
   width: 24px;
   min-height: 24px;
   height: 24px;
-  background: url('/img/github_logo.svg');
+  background: var(--gh-logo);
   background-repeat: no-repeat;
 }