Added build script

.gitignore

@@ -4,4 +4,8 @@ __pycache__
 _garbage
 output
 NM
-/input
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+/input
+builds/build
+builds/*
+!builds/make.py
+!builds/README.md
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builds/README.md

+Executable files are large and should not be stored in a git repository.
+
+The files will be stored here:
+
+    https://nc.ufz.de/s/NaeF8aMogEFnScq
+    Password: neutronmagic
+    
+Currently the making of the executable fails tue to some version bug with the packages used.
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builds/make.py

+import os
+import subprocess
+from glob import glob
+from datetime import date
+
+
+subprocess.call(["pyinstaller", "-wF", "../instantPASDy-GUI.py"])
+# -w creates a windowed GUI
+# -F is onefile
+
+today = date.today().strftime("%Y%m%d")
+
+for f in glob("dist/*"):
+    b = os.path.basename(f)
+    os.rename(f, b.replace('.', '-%s.' % today))
+    
+os.rmdir("dist")
+
+print("Done.")
+input()
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