Add icons

Author: otacke

scripts/styles/icons.scss

@@ -29,4 +29,12 @@ $scoreSummary: "\e912";
 
 $checkmark: "\2713";
 
-$crossword: "\e924";
+$crossword: "\e924";
+$threedmodel: "\e925";
+
+// H5PFontIcons
+$summary: "\e992";
+$singleChoiceSet: "\e993";
+$imageSlider: "\e921";
+$multiChoice: "\e605";
+$blanks: "\e994";