Add binoculars theme, auto reformat everything

assets/themes/playgrounds/playground.svg

@@ -1 +1,4 @@
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+<svg version="1.2" baseProfile="tiny" xmlns="http://www.w3.org/2000/svg" width="50" height="50" viewBox="0 0 50 50"
+     overflow="inherit">
+    <path d="M7.206 31.141c2.885 0 5.219-2.399 5.219-5.368 0-2.953-2.334-5.353-5.219-5.353-2.873 0-5.206 2.4-5.206 5.353 0 2.968 2.333 5.368 5.206 5.368zm29.23 9.216c.243-.172.564-.12.741.117l.965 1.372c.164.238.114.58-.116.766l-7.08 5.287c-.229.172-.562.118-.743-.118l-.962-1.372c-.165-.238-.113-.579.116-.764l7.079-5.288zm-8.003-6.817l-2.808-5.063-1.474 1.107 2.808 5.09zm-6.551-11.827l-10.92-19.713-2.089.014 11.522 20.82zm10.281 10.43c.617-.461 2.029-1.143 2.837-1.143h10c1.974 0 3 1.986 3 4.004 0 2.03-1.026 2.996-3 2.996h-9l-10.836 8.502c-3.808 2.819-6.116-.278-6.116-.278l-8.483-8.729c-1.423-1.753-1.115-5.089.591-6.566l11.739-8.597c1.166-1 2.897-.843 3.885.343.976 1.2.822 2.994-.346 3.996l-7.515 5.657 5.399 5.484 7.845-5.669z"/>
+</svg>