feat: Refactor asset library management and update manifest for improved organization

src/bioxelnodes/constants.py

@@ -1,9 +1,11 @@
 from pathlib import Path
 
+NODE_LIB_FILENAME = "O_Bioxel_Nodes.blend"
+
 NODE_LIB_DIRPATH = Path(Path(__file__).parent,
                         "assets/O_Bioxel").resolve()
 
 LATEST_NODE_LIB_PATH = Path(NODE_LIB_DIRPATH,
-                            "BioxelNodes.blend").resolve()
+                            NODE_LIB_FILENAME).resolve()
 
 PREVIEW_COLLECTIONS = {}