replace triple mustache with html-safe helper

Author: locks

app/helpers/html-safe.js

@@ -0,0 +1,8 @@
+import { helper } from '@ember/component/helper';
+import { htmlSafe as markAsSafe } from '@ember/template';
+
+export function htmlSafe([content] /*, hash*/) {
+    return markAsSafe(content);
+}
+
+export default helper(htmlSafe);

app/templates/components/crate-readme.hbs

@@ -1 +1 @@
-{{{rendered}}}
+{{html-safe rendered}}