Add CI/build infrastructure

setup.cfg

@@ -0,0 +1,36 @@
+[metadata]
+name = gbasm
+version = 0.0.1
+author = Max Regan
+author_email = mgregan2@gmail.com
+description = An assembler for Gameboy assembly language
+classifiers =
+    Programming Language :: Python :: 3
+    License :: OSI Approved :: MIT License
+    Operating System :: OS Independent
+
+[options]
+package_dir =
+    = src
+packages = find:
+python_requires = >=3.7
+tests_require = pytest
+test_suite = test_assemble
+requires = pyyaml, foobarbdfasf
+
+[options.packages.find]
+where =
+      src
+      test
+
+[options.entry_points]
+console_scripts =
+    gbasm = gbasm.gbasm:main
+
+[tox:tox]
+envlist = py39
+
+[testenv]
+deps = pytest
+     pyyaml
+commands = pytest