change ttrss-reader language to Javascript

Node.js is only required to run builds.
The prebuilt js app can be served statically.

README.md

@@ -536,7 +536,7 @@ See https://github.com/n1trux/awesome-sysadmin#identity-management
   * [Stringer](https://github.com/swanson/stringer) - A work-in-progress self-hosted, anti-social RSS reader. `MIT` `Ruby`
   * [Tiny Tiny RSS](https://tt-rss.org/gitlab/fox/tt-rss) - Open source web-based news feed (RSS/Atom) reader and aggregator. ([Demo](http://framanews.org/)) `GPLv3` `PHP`
     * [gritttt-rss](http://gritttt-rss.nicolashoening.de/) - More features for Tiny Tiny RSS. ([Source Code](https://github.com/nhoening/gritttt-rss)) `BSD` `Python`
-    * [ttrss-mobile](https://github.com/mboinet/ttrss-mobile) - A mobile webapp for Tiny Tiny RSS. `AGPLv3` `Nodejs`
+    * [ttrss-mobile](https://github.com/mboinet/ttrss-mobile) - A mobile webapp for Tiny Tiny RSS. `AGPLv3` `Javascript`
     * [ttrss-reader](https://github.com/kucrut/ttrss-reader) - Light and responsive client for TTRSS. `GPLv2` `Javascript`