[browser-sync-webpack-plugin] add new definitions (DefinitelyTyped#37042)

* [browser-sync-webpack-plugin] add new definitions

* fix build failure

Author: dsifford

types/browser-sync-webpack-plugin/browser-sync-webpack-plugin-tests.ts

@@ -0,0 +1,8 @@
+import BrowserSyncPlugin = require('browser-sync-webpack-plugin');
+
+new BrowserSyncPlugin({
+    proxy: 'localhost:8080',
+    open: false,
+    reloadDebounce: 2000,
+    notify: false,
+});

types/browser-sync-webpack-plugin/index.d.ts

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+// Type definitions for browser-sync-webpack-plugin 2.2
+// Project: https://github.com/Va1/browser-sync-webpack-plugin/blob/master/README.md
+// Definitions by: Derek Sifford <https://github.com/dsifford>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 3.5
+
+import BrowserSync = require('browser-sync');
+import { Plugin } from 'webpack';
+
+declare namespace BrowserSyncPlugin {
+    interface Options {
+        /**
+         * BrowserSync instance init callback.
+         * @defaultValue undefined
+         */
+        callback?(error: Error, bs: BrowserSync.BrowserSyncInstance): void;
+        /**
+         * allows BrowserSync to inject changes inplace instead of reloading the page when changed
+         * chunks are all CSS files.
+         * @defaultValue false
+         */
+        injectCss?: boolean;
+        /**
+         * BrowserSync instance name.
+         * @defaultValue 'bs-webpack-plugin'
+         */
+        name?: string;
+        /**
+         * Should BrowserSync handle reloads?
+         * @defaultValue true
+         */
+        reload?: boolean;
+    }
+}
+declare class BrowserSyncPlugin extends Plugin {
+    constructor(browserSyncOptions: BrowserSync.Options, pluginOptions?: BrowserSyncPlugin.Options);
+}
+
+export = BrowserSyncPlugin;

types/browser-sync-webpack-plugin/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": ["es6"],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": ["../"],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true,
+        "paths": {
+            "micromatch": [
+                "micromatch/v2"
+            ]
+        }
+    },
+    "files": [
+        "index.d.ts",
+        "browser-sync-webpack-plugin-tests.ts"
+    ]
+}

types/browser-sync-webpack-plugin/tslint.json

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