Added flexible env file. Updated release date

Author: doc78

envflex.yml

@@ -0,0 +1,8 @@
+name: lisflood
+channels:
+  - conda-forge
+dependencies:
+  - python=3.7
+  - pcraster
+  - gdal
+  - pip

src/lisflood/__init__.py

@@ -10,7 +10,7 @@
 
 __version__ = version
 __authors__ = "Ad de Roo, Emiliano Gelati, Peter Burek, Johan van der Knijff, Niko Wanders"
-__date__ = "11/07/2023"
+__date__ = "15/11/2023"
 __copyright__ = "Copyright 2019-2023, European Commission - Joint Research Centre"
 __maintainer__ = "Stefania Grimaldi, Cinzia Mazzetti, Carlo Russo, Damien Decremer, Corentin Carton De Wiart, Valerio Lorini, Ad de Roo"
 __status__ = "Operation"