Update to support typescript and jsx syntax highlighting

Author: jackycute

public/js/extra.js

@@ -4,6 +4,8 @@ var Prism = require('prismjs');
 require('prismjs/components/prism-wiki');
 require('prismjs/components/prism-haskell');
 require('prismjs/components/prism-go');
+require('prismjs/components/prism-typescript');
+require('prismjs/components/prism-jsx');
 var hljs = require('highlight.js');
 var PDFObject = require('pdfobject');
 var S = require('string');
@@ -475,7 +477,7 @@ function finishView(view) {
                     var result = {
                         value: code
                     };
-                } else if (reallang == "haskell" || reallang == "go") {
+                } else if (reallang == "haskell" || reallang == "go" || reallang == "typescript" || reallang == "jsx") {
                     code = S(code).unescapeHTML().s;
                     var result = {
                         value: Prism.highlight(code, Prism.languages[reallang])

public/js/index.js

@@ -213,7 +213,7 @@ var cursorMenuThrottle = 50;
 var cursorActivityDebounce = 50;
 var cursorAnimatePeriod = 100;
 var supportContainers = ['success', 'info', 'warning', 'danger'];
-var supportCodeModes = ['javascript', 'htmlmixed', 'htmlembedded', 'css', 'xml', 'clike', 'clojure', 'ruby', 'python', 'shell', 'php', 'sql', 'haskell', 'coffeescript', 'yaml', 'pug', 'lua', 'cmake', 'nginx', 'perl', 'sass', 'r', 'dockerfile', 'tiddlywiki', 'mediawiki', 'go'];
+var supportCodeModes = ['javascript', 'typescript', 'jsx', 'htmlmixed', 'htmlembedded', 'css', 'xml', 'clike', 'clojure', 'ruby', 'python', 'shell', 'php', 'sql', 'haskell', 'coffeescript', 'yaml', 'pug', 'lua', 'cmake', 'nginx', 'perl', 'sass', 'r', 'dockerfile', 'tiddlywiki', 'mediawiki', 'go'];
 var supportCharts = ['sequence', 'flow', 'graphviz', 'mermaid'];
 var supportHeaders = [
     {