DB: add newedtion schema

src/backend/db.py

@@ -101,3 +101,12 @@ CREATE_ELSA_MEDIA_TABLE = """CREATE TABLE elsa_media (
     elsa_id INTEGER NOT NULL,
     FOREIGN KEY (elsa_id) REFERENCES elsa (id)
   )"""
+CREATE_TABLE_NEWEDITIONS = """CREATE TABLE neweditions (
+    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+    new_bookdata TEXT,
+    old_edition_id INTEGER,
+    for_apparat INTEGER,
+    ordered BOOLEAN DEFAULT (0),
+    FOREIGN KEY (old_edition_id) REFERENCES media (id),
+    FOREIGN KEY (for_apparat) REFERENCES semesterapparat (id)
+)"""