Syntax Highlighting: Add try catch

Author: Sainan

src/theme/pluto.js

@@ -13,7 +13,7 @@ Prism.languages.pluto = {
 	},
 	'boolean': /\b(?:true|false)\b/,
 	'number': /\b([\d][\d_]+|(0x[a-f\d]+)|(0b[01]+))(?:\.[a-f\d]*)?(?:p[+-]?\d+)?\b|\b\d+(?:\.\B|(?:\.\d*)?(?:e[+-]?\d+)?\b)|\B\.\d+(?:e[+-]?\d+)?\b/i,
-	'keyword': /\$|\b(?:and|as|class|pluto_class|enum|begin|break|do|else|elseif|end|for|function|goto|if|in|local|new|not|or|repeat|return|static|then|until|while|continue|switch|case|default|pluto_switch|pluto_continue|extends|export|pluto_export|pluto_use|public|private|const)\b/,
+	'keyword': /\$|\b(?:and|as|class|pluto_class|enum|begin|break|do|else|elseif|end|for|function|goto|if|in|local|new|not|or|repeat|return|static|then|until|while|continue|switch|case|default|pluto_switch|pluto_continue|extends|export|pluto_export|pluto_use|public|private|const|try|catch|pluto_try|pluto_catch)\b/,
 	'variable': /\b(?:self|parent|pluto_parent)\b/,
 	'operator': [
 		/[-+*%^&|#]|\/\/?|<[<=]?|>[>=]?|[=~]=?|\:=|\?|(?<!\w)\:|\?\.|instanceof/,