Use Python3 type suggestion in generated code for error checking

[ghost]

Refer to "type annotations" in python3

[arshanh]

Refer to this link for details:
https://docs.python.org/3/library/typing.html

[hyberdk]

I think an issue here might be that the native model is more than 100MB big

(venv) eslau@N503476:~/repos-wsl/ydk_poc/venv/lib64/python3.10/site-packages/ydk/models/cisco_ios_xe$ ls -lhS
total 120M
-rw-r--r-- 1 eslau eslau 103M Jun 14 15:39 Cisco_IOS_XE_native.py
-rw-r--r-- 1 eslau eslau 817K Jun 14 15:39 Cisco_IOS_XE_ospf_oper.py
-rw-r--r-- 1 eslau eslau 488K Jun 14 15:39 CISCO_RTTMON_MIB.py

that causes vscode to stop linting and auto completing. As far as I can tell, there is no way currently to up the max size (see this: microsoft/pylance-release#1520)..

So it would make sense to try and split it into smaller files (if possible) as type hints most likely will not work on the native model which I guess is the most used one..

just my 2cents.

Esben