Add CI hooks to verify ability to install

.github/workflows/install.yml

@@ -0,0 +1,17 @@
+name: Install Ubuntu
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install
+      run: |
+        pip install $PWD
+    - name: Install User
+      run: |
+        pip install --user $PWD

.github/workflows/install_macos.yml

@@ -0,0 +1,14 @@
+name: Install Mac
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: macos-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install
+      run: |
+        pip install $PWD

.github/workflows/install_windows.yml

@@ -0,0 +1,14 @@
+name: Install Windows
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: macos-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install
+      run: |
+        pip install $PWD