Added Sentry (#4)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#4

envipath/settings.py

@@ -280,3 +280,14 @@ else:
     CLASSIFIER_PLUGINS = {}
     PROPERTY_PLUGINS = {}
     DESCRIPTOR_PLUGINS = {}
+
+SENTRY_ENABLED = os.environ.get('SENTRY_ENABLED', 'False') == 'True'
+if SENTRY_ENABLED:
+    import sentry_sdk
+
+    sentry_sdk.init(
+        dsn=os.environ.get('SENTRY_DSN'),
+        # Add data like request headers and IP for users,
+        # see https://docs.sentry.io/platforms/python/data-management/data-collected/ for more info
+        send_default_pii=True,
+    )