optimize fonts

README.md

@@ -13,6 +13,7 @@ make
 cd assets/fonts/deblan/
 svg2ttf src/deblan-icon.svg deblan-icon.ttf
 ttf2woff deblan-icon.ttf deblan-icon.woff
+cat deblan-icon.ttf | ttf2woff2 > deblan-icon.woff2
 ttf2eot deblan-icon.ttf deblan-icon.eot
 -
 ```

assets/css/app.scss

@@ -5,14 +5,18 @@
 
 @font-face {
 	font-family: "MainFont";
-    src: url(../fonts/ubuntu/ubuntu-light.woff) format('woff');
+    src:
+        url('../fonts/ubuntu/ubuntu-light.woff2?20211108') format('woff2'),
+        url('../fonts/ubuntu/ubuntu-light.woff?20211108') format('woff');
 }
 
 @font-face {
 	font-family: "deblan-icon";
-    src: url('../fonts/deblan/deblan-icon.eot?v=5');
-    src: url('../fonts/deblan/deblan-icon.woff?vmatrix5') format('woff'),
-         url('../fonts/deblan/deblan-icon.ttf?v=5') format('truetype');
+    src: url('../fonts/deblan/deblan-icon.eot?20211108');
+    src:
+        url('../fonts/deblan/deblan-icon.woff2?20211108') format('woff2'),
+        url('../fonts/deblan/deblan-icon.woff?20211108') format('woff'),
+        url('../fonts/deblan/deblan-icon.ttf?20211108') format('truetype');
 
     font-style: normal;
     font-weight: normal;