* rename workflows file and add sdist job

* rename CLI executable to IMCtermite
* add workflow badge to README.md
* clean up makefile
* add timestamp of build to CLI binary showing version/help

.github/workflows/pypi-deploy.yml

@@ -2,11 +2,10 @@
 name: Build Python Wheels
 on:
   push:
-    branches:
-      - master
+    branches: [master]
 jobs:
   build_wheels:
-    name: Build wheels on ${{ matrix.os }}
+    name: Build binary wheels on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
@@ -21,12 +20,21 @@ jobs:
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse
 
-  upload_wheels:
+  build_sdist:
+    name: Build source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build sdist
+        run: python setup.py sdist
+
+  upload_pypi:
     name: Upload binary wheels to PyPI
-    needs: [build_wheels]
+    runs-on: ubuntu-20.04
+    needs: [build_wheels, build_sdist]
 
     steps:
-      uses: pypa/gh-action-pypi-publish@release/v1
-      with:
-        user: __token__
-        password: ${{ secrets.IMCTERMITE_GITHUB_WORKFLOW_PYPI_API_TOKEN }}
+      - uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          password: ${{ secrets.IMCTERMITE_GITHUB_WORKFLOW_PYPI_API_TOKEN }}