new definition file for hls.js (#16028)

* added hls.js definition

* changed to new tslint format

* fixing lint errors

* changed definition structure based on PR comment

types/hls.js/hls.js-tests.ts

@@ -0,0 +1,11 @@
+import * as Hls from 'hls.js';
+
+if (Hls.isSupported) {
+  const video = <HTMLVideoElement> document.getElementById('video');
+  const hls = new Hls();
+  hls.loadSource('http://www.streambox.fr/playlists/test_001/stream.m3u8');
+  hls.attachMedia(video);
+  hls.on(Hls.Events.MANIFEST_PARSED, () => {
+    video.play();
+  });
+}

types/hls.js/tsconfig.json

@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6",
+            "dom"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "hls.js-tests.ts"
+    ]
+}

types/hls.js/tslint.json

@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }