Add .venv to default .syncignore values

When using uv (which we are doing more and more), this is _the_ location
for virtual environments. We don't want to sync those since they may not
match the target machines packages/architecture/...

Author: ftilde

livesync/folder.py

@@ -13,7 +13,7 @@
 
 
 class Folder:
-    DEFAULT_IGNORES = ['.git/', '.jj/', '__pycache__/', '.DS_Store', '*.tmp', '.env']
+    DEFAULT_IGNORES = ['.git/', '.jj/', '__pycache__/', '.DS_Store', '*.tmp', '.env', '.venv']
     DEFAULT_RSYNC_ARGS = ['--prune-empty-dirs', '--delete', '-a', '-v', '-z', '--checksum', '--no-t']
 
     def __init__(self,