feat(graph): equals/not_equals_ignore_case operators (solvers)

[estergo]

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Description

Introducing 2 new operators - equal_ignore_case and not_equal_ignore_case operators, that given 2 values, check if those values equal ignore case sensitive.

Fixes # (issue)

New/Edited policies (Delete if not relevant)

Description

Include a description of what makes it a violation and any relevant external links.

Fix

How does someone fix the issue in code and/or in runtime?

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my feature, policy, or fix is effective and works
• New and existing tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[ChanochShayner]

LGTM

[gruebel]

all in all looks great, but please change the name from equal_ignore_case to equals_ignore_case and the not flavour too, so it is more similar to the equals and not_equals operator. It would be great to adjust also the class names and file names. Sorry for the extra work 😅

[gruebel]

thanks, great work 🍻