Modify CITATION to match comment in brainelectronics#65

Author: GimmickNG

CITATION.cff

@@ -1,17 +1,26 @@
+# This CITATION.cff file was generated with cffinit.
+# Visit https://bit.ly/cffinit to generate yours today!
+
 cff-version: 1.2.0
-message: "Feel free to use this, if you want to cite this library."
+title: MicroPython Modbus
+message: >-
+  If you use this software, please cite it using the
+  metadata from this file.
+type: software
 authors:
-  - name: "Pycom Limited"
-  - affiliation: brainelectronics
+  - affiliation: Pycom Limited
+  - given-names: Jonas
     family-names: Scharpf
-    given-names: Jonas
-- name: "The MicroPython Modbus team"
-title: "MicroPython Modbus"
-abstract: "A lightweight Modbus TCP/RTU library for MicroPython"
-version: "2.3.4"
-license: "GPLv3"
-date-released: 2023-03-20
-url: "https://github.com/brainelectronics/micropython-modbus"
+    affiliation: brainelectronics
+  - affiliation: The MicroPython Modbus team
+repository-code: 'https://github.com/brainelectronics/micropython-modbus/'
+url: 'https://brainelectronics.de'
+repository-artifact: 'https://pypi.org/project/micropython-modbus/'
+abstract: A lightweight Modbus TCP/RTU library for Micropython
 keywords:
   - micropython
   - modbus
+license: AGPL-3.0
+commit: '2975f78'
+version: 2.3.4
+date-released: '2023-03-20'