added install script and install command for testing

Author: tyler

.github/workflows/testing.yml

@@ -23,6 +23,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
+          pip install .
       - name: Test
         run: |
             python -m unittest discover

scripts/install.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -o nounset
+set -o errexit
+set -o xtrace
+
+pip3 install .. --upgrade --no-cache