ASEM000/PyTreeClass: v0.1.10

Full Changelog: https://github.com/ASEM000/PyTreeClass/compare/v0.1.9...v0.1.10

• Added subtree size and param count in tree_mermaid placed on tree arrows.
• Add pytc.field wrapping dataclasses.field with extra nondiff, frozen arguments
• Add pytc.fields similar to dataclasses.fields which returns dataclasses fields and the undeclared fields
• Add pytc.is_treeclass_{frozen, leaf_bool, leaf, equal}
• Expand container in tree_diagram and tree_summary if at least one treeclass item exist .
• Enable setting arbitrary types for .at[].set(...)
• Minor refactoring