[docs] Add more examples

[martinszeltins]

Reproduction

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Steps to reproduce the bug

Add more useful examples to the docs.

- DONE -
[x] Custom Rules
[x] Conditional Rules
[x] Collections
[x] Server Validation
[x] Required Indicators

- TO DO -
[ ] Nested Forms
    Deeply nested forms, arrays, how to access parent items in each rule etc.
[ ] Multi-component Forms
    This will be a very popular example, to showcase how to use Pinia store
    and multiple components for a form. Also could demonstrate how to pass props to components.
[ ] Custom Metadata
    How to add custom metadata info to fields
[ ] Advanced Example

Expected behavior

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Actual behavior

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Environnement informations

No response

[victorgarciaesgi]

Yep all of your list is planned for the advanced example 👍

[martinszeltins]

Yep all of your list is planned for the advanced example 👍

I think it'd be a good idea to also have separate examples listed as users may not know that they are included inside the advanced-example.

[victorgarciaesgi]

Yep agree! The advanced is more to show a more real world example on how to structure your logic around Pinia, Components, props etc..!

[martinszeltins]

I think this isn't completed yet, we still have these examples to add later. But this could be done after 1.0

- TO DO -
[ ] Nested Forms
    Deeply nested forms, arrays, how to access parent items in each rule etc.
[ ] Multi-component Forms
    This will be a very popular example, to showcase how to use Pinia store
    and multiple components for a form. Also could demonstrate how to pass props to components.
[ ] Custom Metadata
    How to add custom metadata info to fields
[ ] Advanced Example