Add extracted source directory and README navigation

extracted-source/node_modules/highlight.js/lib/languages/subunit.js

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+/*
+Language: SubUnit
+Author: Sergey Bronnikov <sergeyb@bronevichok.ru>
+Website: https://pypi.org/project/python-subunit/
+*/
+
+function subunit(hljs) {
+  const DETAILS = {
+    className: 'string',
+    begin: '\\[\n(multipart)?',
+    end: '\\]\n'
+  };
+  const TIME = {
+    className: 'string',
+    begin: '\\d{4}-\\d{2}-\\d{2}(\\s+)\\d{2}:\\d{2}:\\d{2}\.\\d+Z'
+  };
+  const PROGRESSVALUE = {
+    className: 'string',
+    begin: '(\\+|-)\\d+'
+  };
+  const KEYWORDS = {
+    className: 'keyword',
+    relevance: 10,
+    variants: [
+      {
+        begin: '^(test|testing|success|successful|failure|error|skip|xfail|uxsuccess)(:?)\\s+(test)?'
+      },
+      {
+        begin: '^progress(:?)(\\s+)?(pop|push)?'
+      },
+      {
+        begin: '^tags:'
+      },
+      {
+        begin: '^time:'
+      }
+    ]
+  };
+  return {
+    name: 'SubUnit',
+    case_insensitive: true,
+    contains: [
+      DETAILS,
+      TIME,
+      PROGRESSVALUE,
+      KEYWORDS
+    ]
+  };
+}
+
+module.exports = subunit;