test(multiple-subtitles): [PKG-MULTI-SUB-01] freeze contracts and verify parser provenance

refactor/baselines/multiple-subtitles-vendor/package.json.txt

@@ -0,0 +1,29 @@
+{
+  "name": "webvtt-parser",
+  "version": "2.1.2",
+  "description": "WebVTT parser and validator",
+  "main": "parser.js",
+  "files": ["parser.js", "html-entities.json"],
+  "scripts": {
+    "test": "mocha"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/w3c/webvtt.js.git"
+  },
+  "keywords": [
+    "WebVTT"
+  ],
+  "author": "Anne van Kesteren <annevk@annevk.nl>",
+  "contributors": [],
+  "license": "CC0-1.0",
+  "bugs": {
+    "url": "https://github.com/w3c/webvtt.js/issues"
+  },
+  "homepage": "https://github.com/w3c/webvtt.js",
+  "devDependencies": {
+    "chai": "^4.2.0",
+    "mocha": "^8.0.1"
+  },
+  "dependencies": {}
+}