Doc IO VIP

[IstvanZsSzekely]

PR Description

Added documentation for the IO VIP.
To be reviewed with #176

PR Type

• Bug fix (change that fixes an issue)
• New feature (change that adds new functionality)
• New test (change that adds new test program and/or testbench)
• Breaking change (has dependencies in other repositories/testbenches)
• Documentation (change that adds or modifies documentation)

PR Checklist

• I have followed the code style guidelines
• I have performed a self-review of changes
• I have ran all testbenches affected by this PR
• I have commented my code, at least hard-to-understand parts
• I have signed off all commits from this PR
• I have updated the documentation (wiki pages, ReadMe files, Copyright etc)
• I have not introduced new Warnings/Errors on compilation/elaboration/simulation
• I have set the verbosity level to none for the test program

[StancaPop]

Update the Copyright year for the files that will be added now.
The syntax for the files modified in two consecutive years is 2024-2025 (without spaces between the years).
Either remove the second white line between classes or add a comment.

[IstvanZsSzekely]

Update the Copyright year for the files that will be added now. The syntax for the files modified in two consecutive years is 2024-2025 (without spaces between the years). Either remove the second white line between classes or add a comment.

The changes related to #176 were made in that PR.