add type declarations (#1)

Author: NormanPerrin

.gitignore

@@ -1 +1,2 @@
 node_modules
+.vscode/

index.d.ts

@@ -0,0 +1,29 @@
+declare module "html-table-to-json" {
+  import * as cheerio from 'cheerio';
+
+  class HtmlTableToJson {
+    headers: Array<any>;
+    results: Array<any>;
+    count: number;
+
+    constructor(html: string, opts?: Object);
+
+    static factory(html: string, opts?: Object): HtmlTableToJson;
+
+    private _process(): Array<any>;
+
+    private _processTable(tableIndex: number, table: CheerioElement): void;
+
+    private _processRow(
+      tableIndex: number,
+      index: number,
+      row: CheerioElement
+    ): void;
+
+    private _buildHeaders(index: number, table: CheerioElement): void;
+
+    private _pruneEmptyRows(tableIndex: number): void;
+  }
+
+  export = HtmlTableToJson;
+}