chore(tsconfig): add dom as a type lib

Author: Weffe

tsconfig.json

@@ -5,6 +5,7 @@
     "module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
     "lib": [
       "es2015",
+      "dom"
     ], /* Specify library files to be included in the compilation. */
     // "allowJs": true,                       /* Allow javascript files to be compiled. */
     // "checkJs": true,                       /* Report errors in .js files. */