Add version.txt in aidge package

setup.py

@@ -72,10 +72,10 @@ class CMakeBuild(build_ext):
 
         aidge_package = build_lib / "aidge"
 
-        # Get "aidge" package
+        # Get "aidge core" package
         ext_lib = build_temp / "aidge" / "_Core"
 
-        # Copy all shared object files from build_temp/lib to build_lib
+        # Copy all shared object files from build_temp/lib to aidge_package
         for root, _, files in os.walk(ext_lib.absolute()):
             for file in files:
                 if file.endswith('.so'):
@@ -85,12 +85,16 @@ class CMakeBuild(build_ext):
         # Get "aidge cpu" package
         ext_lib = build_temp / "aidge" / "_CPU"
 
-        # Copy all shared object files from build_temp/lib to build_lib
+        # Copy all shared object files from build_temp/lib to aidge_package
         for root, _, files in os.walk(ext_lib.absolute()):
             for file in files:
                 if file.endswith('.so'):
                     currentFile=os.path.join(root, file)
-                    shutil.copy(currentFile, str(aidge_package.absolute()))     
+                    shutil.copy(currentFile, str(aidge_package.absolute()))
+
+        # Copy version.txt in aidge_package
+        os.chdir(os.path.dirname(__file__))
+        shutil.copy("version.txt", str(aidge_package.absolute()))    
 
 
 if __name__ == '__main__':