Add Plex Sonarr integration script and testing framework

- Implemented a Python script for integrating Plex Media Server with Sonarr to manage TV show seasons based on viewing habits.
- Added features for automated season management, exclusion list support, and detailed logging.
- Created a requirements.txt file to include necessary packages: plexapi, requests, pytest, pytest-mock, and requests-mock.
- Developed unit tests for the API verification function using pytest and requests_mock.
- Included a standalone script to unmonitor excluded shows in Sonarr.
- Added a test script for manual API verification with mock and real API tests.

.vscode/settings.json

@@ -0,0 +1,11 @@
+{
+    "python.testing.unittestArgs": [
+        "-v",
+        "-s",
+        ".",
+        "-p",
+        "*_test.py"
+    ],
+    "python.testing.pytestEnabled": false,
+    "python.testing.unittestEnabled": true
+}