maint: misc. refactorings, fixes, updates

- puts tests in the correct location of github workflow
- fixes `.env` values not loading via `load_dotenv` - required early loading
- corrects many static type linting errors
- combines all inputs into a single class with validation
- formats markdown & python files, as well as output
- slightly improved log messages, caught potential attribute error
- updates dependencies

.github/workflows/testing.yml

@@ -1,4 +1,4 @@
-name: WakaReadme
+name: UnitTests
 
 on:
   push:
@@ -11,16 +11,15 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python 3.11
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: "3.11"
       - name: Install dependencies
         run: |
           curl -sSL https://install.python-poetry.org | python -
           export PATH="$HOME/.poetry/bin:${PATH}"
-          source $HOME/.poetry/env
           poetry install
       - name: Run unit tests
         run: |