Use setuptools_scm to extract version from the git tag

Author: willu47

pyproject.toml

@@ -0,0 +1,5 @@
+[build-system]
+requires = ["setuptools>=42", "wheel", "setuptools_scm[toml]>=3.4"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools_scm]

setup.py

@@ -11,10 +11,10 @@
 
 setup(
     name="amply",
-    version="0.1",
     packages=find_packages("src"),
     license='Eclipse Public License 1.0 (EPL-1.0)',
-
+    use_scm_version=True,
+    setup_requires=['setuptools_scm'],
     # Project uses reStructuredText, so ensure that the docutils get
     # installed or upgraded on the target machine
     install_requires=["docutils>=0.3", "pyparsing"],