✨ Implement node renaming

[pleonex]

Implement a setter to the Name property of nodes, so we can change their names. Added a note to the Path property as it may change in parent affecting children. It shouldn't be stored as keys in dictionaries for instance.

This PR closes #193

Quality check list

• [x] Related code has been tested automatically or manually
• [x] Related documentation is updated
• [x] I acknowledge I have read and filled this checklist and accept the developer certificate of origin

Acceptance criteria

• The name of a node can change

Follow-up work

None

Example

using node = new Node("node1");
node.Name = "node2";