fix(font): modify exclamation point in font (#394)

* fix: add new modified FG_Virgil font

* fix: update codesandbox links to use modified virgil font

* fix: typo in Contributing

CONTRIBUTING.md

@@ -17,7 +17,7 @@
 > git branch --set-upstream-to=upstream/master master
 > ```
 
-### Option 2 - Codesandbox
+### Option 2 - CodeSandbox
 
 1. Go to https://codesandbox.io/s/github/excalidraw/excalidraw
 1. Connect your Github account

public/index.html

@@ -12,7 +12,7 @@
     <link rel="icon" href="%PUBLIC_URL%/logo.png" />
     <link
       rel="preload"
-      href="https://uploads.codesandbox.io/uploads/user/ed077012-e728-4a42-8395-cbd299149d62/AflB-FG_Virgil.ttf"
+      href="https://uploads.codesandbox.io/uploads/user/f7fdc300-3c43-44c1-9a59-4338a82a9954/_oPE-FG_Virgil.ttf"
       as="font"
       type="font/ttf"
       crossorigin="anonymous"

src/styles.scss

@@ -3,7 +3,7 @@
 /* http://www.eaglefonts.com/fg-virgil-ttf-131249.htm */
 @font-face {
   font-family: "Virgil";
-  src: url("https://uploads.codesandbox.io/uploads/user/ed077012-e728-4a42-8395-cbd299149d62/AflB-FG_Virgil.ttf");
+  src: url("https://uploads.codesandbox.io/uploads/user/f7fdc300-3c43-44c1-9a59-4338a82a9954/_oPE-FG_Virgil.ttf");
   font-display: swap;
 }