Install MathJax

This is to render Math statements like LaTeX in clarifications

Author: vmcj

webapp/composer.json

@@ -72,6 +72,7 @@
 		"knplabs/knp-paginator-bundle": "^6.6",
 		"league/commonmark": "^2.3",
 		"mbostock/d3": "^3.5",
+		"mathjax/mathjax": "^4.0",
 		"nelmio/api-doc-bundle": "^5.0",
 		"nelmio/cors-bundle": "^2.4",
 		"novus/nvd3": "^1.8",

webapp/composer.lock

@@ -0,0 +1 @@
+../vendor/mathjax/mathjax

webapp/public/mathjax

@@ -13,6 +13,7 @@
     <script src="{{ asset("js/jquery.min.js") }}"></script>
     <script src="{{ asset("js/jquery.debounce.min.js") }}"></script>
     <script src="{{ asset("js/bootstrap.bundle.min.js") }}"></script>
+    <script src="{{ asset("mathjax/MathJax.js") }}"></script>
 
     <script src="{{ asset("js/domjudge.js") }}"></script>
     {% for file in customAssetFiles('js') %}