feat: implement dynamic __version__

Version is retrieved dynamically from the package after it is built by setup.py. This allows users to access the version of Pynite they have installed without having to manually update the version whenever a new release is made.

Author: connorferster

Pynite/__init__.py

@@ -1,3 +1,12 @@
 # Select libraries that will be imported into Pynite for the user
 from Pynite.FEModel3D import FEModel3D
 from Pynite.ShearWall import ShearWall
+import Pynite
+
+from pip._vendor import pkg_resources
+
+def get_version(package):
+    package = package.lower()
+    return next((p.version for p in pkg_resources.working_set if p.project_name.lower() == package), "No match")
+
+__version__= get_version("PyniteFEA")