Rebrand Pinscope to Periscope across product and codebase.

Rename the core package to periscopex, update UI/docs/Docker/deploy defaults to periscope.michelebigi.it, and keep legacy version/storage key aliases so existing projects keep working.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_review_fingerprint.py

@@ -1,4 +1,4 @@
-from backend.pinscopex.models import (
+from backend.periscopex.models import (
     Component,
     ComponentType,
     DesignGraph,
@@ -6,7 +6,7 @@ from backend.pinscopex.models import (
     NetType,
     PinConnection,
 )
-from backend.pinscopex.review_fingerprint import (
+from backend.periscopex.review_fingerprint import (
     graph_ic_fingerprints,
     skip_unchanged_ics,
 )