Add shields to README (#35)

* Coverage report

* Add coverage badge

* Add PyPI Python versions shield

* Add black formatter badge

* Rename workflow

.github/workflows/coverage-report.yml

@@ -0,0 +1,19 @@
+name: API workflow
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Test coverage
+    steps:
+    - uses: actions/checkout@v1
+    - name: Install requirements
+      run: pip install -e .[dev]
+    - name: Run tests and collect coverage
+      run: coverage run --source hashtablebot -m unittest discover
+    - name: Upload coverage reports to Codecov
+      run: |
+        curl -Os https://uploader.codecov.io/latest/linux/codecov
+        chmod +x codecov
+        ./codecov -t ${CODECOV_TOKEN}

README.rst

@@ -1,6 +1,15 @@
 Hash Table Bot
 ==============
 
+.. image:: https://img.shields.io/pypi/pyversions/hashtablebot
+   :alt: PyPI - Python Version
+
+.. image:: https://codecov.io/gh/douglascdev/hashtablebot/branch/main/graph/badge.svg?token=8P7U85055I
+ :target: https://codecov.io/gh/douglascdev/hashtablebot
+
+.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
+   :target: https://github.com/psf/black
+
 Hash Table Bot is an open-source twitch bot made in Python.
 
 Have a look at our `Getting Started <https://hashtablebot.readthedocs.io/en/latest/getting_started.html>`_ page for more information.