Add packaged Paratext extensions for a sample release

.gitattributes

@@ -11,3 +11,4 @@
 *.woff  binary
 *.woff2 binary
 *.ldml  binary
+*.zip   binary

extensions/webpack/webpack.config.main.ts

@@ -49,7 +49,7 @@ const configMain: () => Promise<webpack.Configuration> = async () => {
     plugins: [
       // Copy static files to the output folder https://webpack.js.org/plugins/copy-webpack-plugin/
       new CopyPlugin({
-        patterns: getMainCopyFilePatterns(extensions),
+        patterns: getMainCopyFilePatterns(extensions).concat({ from: 'zip' }),
       }),
     ],
   });

src/node/utils/command-line.util.ts

@@ -94,6 +94,7 @@ export function getCommandLineArgumentsGroup(
       );
     });
 
+  if (argName === COMMAND_LINE_ARGS.ExtensionsDir) return argumentsGroup.concat(['zip']);
   return argumentsGroup;
 }