Don't fail if browserconfig.xml is missing

bin/cli

@@ -39,7 +39,7 @@ install_app () {
     sed -i 's|@import "/|@import "'"$path"'/|g' index.html
     sed -i 's|: "/|: "'"$path"'/|g' index.html
     sed -i 's| /| '"$path"'/|g' .htaccess
-    sed -i 's|="/|="'"$path"'/|g' browserconfig.xml
+    sed -i 's|="/|="'"$path"'/|g' browserconfig.xml || true
     sed -i 's|"path": "/|"path": "'"$path"'/|g' topic.metadata.json
     ln -s ../node_modules/"$packageName"/dist app || exit 2;
     echo