chore: update project structure and add testing framework

.gitignore

@@ -1,13 +1,10 @@
-# Byte-compiled / optimized / DLL files
+# Python
 __pycache__/
 *.py[cod]
 *$py.class
-
-# C extensions
 *.so
-
-# Distribution / packaging
 .Python
+env/
 build/
 develop-eggs/
 dist/
@@ -19,19 +16,10 @@ lib64/
 parts/
 sdist/
 var/
-wheels/
 *.egg-info/
 .installed.cfg
 *.egg
 
-# PyInstaller
-*.manifest
-*.spec
-
-# Installer logs
-pip-log.txt
-pip-delete-this-directory.txt
-
 # Unit test / coverage reports
 htmlcov/
 .tox/
@@ -42,14 +30,57 @@ nosetests.xml
 coverage.xml
 *.cover
 .hypothesis/
+.pytest_cache/
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# IDE
+.idea/
+.vscode/
+*.sublime-project
+*.sublime-workspace
+.DS_Store
+
+# Logs
+logs/
+*.log
+
+# Database
+*.db
+*.sqlite
+*.sqlite3
+backup/
+
+# Local
+local_settings.py
+local.py
+
+# Docker
+.docker/
+
+# Alembic versions
+# alembic/versions/
+
+# PyInstaller
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
 
 # Translations
 *.mo
 *.pot
 
 # Django stuff:
-*.log
-local_settings.py
 db.sqlite3
 
 # Flask stuff:
@@ -77,17 +108,6 @@ celerybeat-schedule
 # SageMath parsed files
 *.sage.py
 
-# Environments
-.env
-.venv
-env/
-venv/
-.venv/
-.env/
-ENV/
-env.bak/
-venv.bak/
-
 # Spyder project settings
 .spyderproject
 .spyproject
@@ -102,11 +122,8 @@ venv.bak/
 .mypy_cache/
 
 # IDE
-.idea/
-.vscode/
 *.swp
 *.swo
 
 # OS
-.DS_Store
 Thumbs.db