Prepare readme/license for release

LICENSE

@@ -1,10 +1,10 @@
 Zoekplaatje
 Copyright (c) Stijn Peeters <[email protected]>
 
-This Source Code Form, except for third-party libraries included in the
-'ext-libs' folder, is subject to the terms of the Mozilla Public License,
-v. 2.0. If a copy of the MPL was not distributed with this file, You can
-obtain one at http://mozilla.org/MPL/2.0/.
+This Source Code Form, except for third-party materials included in the
+'inc' and 'fontawesome' folders, is subject to the terms of the Mozilla
+Public License,v. 2.0. If a copy of the MPL was not distributed with
+this file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 Principal contributors:
     Stijn Peeters

README.md

@@ -1,6 +1,5 @@
 # 🕵️ Zoekplaatje
 
-[![DOI: 10.5281/zenodo.4742622](https://zenodo.org/badge/DOI/10.5281/zenodo.6826877.svg)](https://doi.org/10.5281/zenodo.6826877)
 [![License: MPL 2.0](https://img.shields.io/badge/license-MPL--2.0-informational)](https://github.com/digitalmethodsinitiative/4cat/blob/master/LICENSE)
 
 <p align="center"><img alt="A screenshot of Zoekplaatje's status window" src="images/example_screenshot.png"></p>
@@ -38,9 +37,8 @@ want to inspect the results.
 
 ## Credits & license
 Zoekplaatje was developed by Stijn Peeters for the [Digital Methods Initiative](https://digitalmethods.net) and is 
-licensed under the Mozilla Public License, 2.0. Refer to the LICENSE file for more information.
-
-It is heavily based on [Zeeschuimer](https://github.com/digitalmethodinitiative/zeeschuimer/)
+licensed under the Mozilla Public License, 2.0. Refer to the LICENSE file for more information.  It is heavily based on 
+[Zeeschuimer](https://github.com/digitalmethodinitiative/zeeschuimer/).
 
 Graphics based on [an image generated by Dall-E](https://labs.openai.com/s/oWvGAHC0pxwWV3bNLfENu7AV), for the prompt 
 'detail of a 1914 metaphysical painting by giorgio de chirico depicting a hard-boiled detective writing down results in