Merge pull request #1379 from ember-learn/use-shiki

feat: use `ember-showdown-shiki` for syntax highlighting

Author: mansona

.node-version

@@ -0,0 +1 @@
+20.11.0

config/environment.js

@@ -31,6 +31,17 @@ module.exports = function (environment) {
       algoliaId: 'Y1OMR4C7MF',
       algoliaKey: '5d01c83734dc36754d9e94cbf6f8964d',
     },
+
+    'ember-showdown-shiki': {
+      languages: [
+        'javascript',
+        'typescript',
+        'handlebars',
+        'json',
+        'diff',
+        'bash',
+      ],
+    },
   };
 
   if (environment === 'development') {

config/fastboot.js

@@ -0,0 +1,10 @@
+/* global atob */
+module.exports = function () {
+  return {
+    buildSandboxGlobals(defaultGlobals) {
+      return Object.assign({}, defaultGlobals, {
+        atob: atob,
+      });
+    },
+  };
+};