ESLint: Added no-tabs rule (#2863)

.eslintrc.js

@@ -7,6 +7,7 @@ module.exports = {
 
 		// stylistic rules
 		'brace-style': ['warn', '1tbs', { allowSingleLine: true }],
+		'no-tabs': ['warn', { allowIndentationTabs: true }],
 		'no-var': 'error',
 		'quotes': ['warn', 'single', { avoidEscape: true, allowTemplateLiterals: true }],
 		'semi': 'warn',

components/prism-bro.js

@@ -22,7 +22,7 @@ Prism.languages.bro = {
 		}
 	},
 
-	'variable':	{
+	'variable': {
 		pattern: /(?:global|local) \w+/i,
 		inside: {
 			keyword: /(?:global|local)/