fix(cli): fixed the issue when output is not provided

CLI has to save assets to the folder where the command is executed if no output-folder provided.

fix #1

cli.js

@@ -68,7 +68,8 @@ const cli = meow(
   },
 );
 
-const [source, output] = cli.input;
+const source = cli.input[0];
+let output = cli.input[1];
 const options = cli.flags;
 const logger = preLogger('cli');
 
@@ -77,6 +78,10 @@ if (!source) {
   process.exit(1);
 }
 
+if (!output) {
+  output = process.cwd();
+}
+
 (async () => {
   try {
     const savedImages = await puppets.generateImages(source, output, options);

helpers/pwa.js

@@ -67,13 +67,15 @@ const addMetaTagsToIndexPage = async (htmlContent, indexHtmlFilePath) => {
     throw Error(`Cannot write to index html file ${indexHtmlFilePath}`);
   }
 
-  const warn = '<!-- AUTO GENERATED VIA PWA-ASSET-GENERATOR -->';
-
   const indexHtmlFile = await file.readFile(indexHtmlFilePath);
   const $ = cheerio.load(indexHtmlFile);
-  $('head').append(`\
-${warn}
-${htmlContent}`);
+
+  // TODO: Find a way to remove tags without leaving newlines behind
+  $(
+    'link[rel="apple-touch-startup-image"], link[rel="apple-touch-icon"], meta[name="apple-mobile-web-app-capable"]',
+  ).remove();
+
+  $('head').append(`${htmlContent}`);
 
   return file.writeFile(indexHtmlFilePath, $.html());
 };