self host fonts for better performance.

Author: nisarhassan12

src/layouts/index.tsx

@@ -72,7 +72,7 @@ class IndexLayout extends React.Component<{ title?: string; canonical?: string;
                 content="dev environment, development environment, devops, cloud ide, github ide, gitlab ide, javascript, online ide, web ide, code review"
               />
               {canonical ? <link rel="canonical" href={`${data.site.siteMetadata.siteUrl}${canonical}`} /> : null}
-              <link href="https://fonts.googleapis.com/css?family=Montserrat:400,600&display=swap" rel="stylesheet" />
+              <link href="/fonts.css" as="style" rel="preload" />
               <meta name="theme-color" content={colors.white} />
               <link rel="apple-touch-icon" type="image/png" href={GitpodIconApple} sizes="180x180" />
               <link rel="icon" type="image/png" href={GitpodIcon196} sizes="196x196" />

static/fonts.css

@@ -0,0 +1,27 @@
+/* montserrat-regular - latin */
+@font-face {
+  font-family: 'Montserrat';
+  font-style: normal;
+  font-weight: 400;
+  src: url('fonts/montserrat-v15-latin-regular.eot'); /* IE9 Compat Modes */
+  src: local('Montserrat Regular'), local('Montserrat-Regular'),
+       url('fonts/montserrat-v15-latin-regular.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
+       url('fonts/montserrat-v15-latin-regular.woff2') format('woff2'), /* Super Modern Browsers */
+       url('fonts/montserrat-v15-latin-regular.woff') format('woff'), /* Modern Browsers */
+       url('fonts/montserrat-v15-latin-regular.ttf') format('truetype'), /* Safari, Android, iOS */
+       url('fonts/montserrat-v15-latin-regular.svg#Montserrat') format('svg'); /* Legacy iOS */
+}
+
+/* montserrat-600 - latin */
+@font-face {
+  font-family: 'Montserrat';
+  font-style: normal;
+  font-weight: 600;
+  src: url('fonts/montserrat-v15-latin-600.eot'); /* IE9 Compat Modes */
+  src: local('Montserrat SemiBold'), local('Montserrat-SemiBold'),
+       url('fonts/montserrat-v15-latin-600.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
+       url('fonts/montserrat-v15-latin-600.woff2') format('woff2'), /* Super Modern Browsers */
+       url('fonts/montserrat-v15-latin-600.woff') format('woff'), /* Modern Browsers */
+       url('fonts/montserrat-v15-latin-600.ttf') format('truetype'), /* Safari, Android, iOS */
+       url('fonts/montserrat-v15-latin-600.svg#Montserrat') format('svg'); /* Legacy iOS */
+}