Add AYON APIs & Resources section

[MustafaJafar]

Changelog Description

This PR adds AYON APIs & Resources to Docs.
It adds two things:

• Add Dev resources drop down menu in the navigation bar.
• Add APIs & Resources section in dev docs. where we can explain what is a particular API is used for and how to use it.

TODOs

Write a brief description about each item in this list, as well as add some examples:

• REST API Docs
• GraphQL API Docs
• Python API Docs
• C++ API Docs
• USD Resolver API Docs
• Frontend React Components

[MustafaJafar]

This PR is created as Draft as it's a suggestion, and it's still up to the discussion to make a decision whether or not to continue working on this PR.

[mkolar]

I really like it, however APIs and components might be a bit too specific. How about calling it Dev resources?

[MustafaJafar]

I really like it, however APIs and components might be a bit too specific. How about calling it Dev resources?

I like Dev resources more.
I changed it in the navbar.

[MustafaJafar]

Then, the next step begins. Let's finish these TODOs 🛠️

[iLLiCiTiT]

This sounds like C++ tutorial.

[MustafaJafar]

Maybe I should change the tone?

I just wanted to add an example without the intention to make it a C++ tutorial.
But, cmake and all these steps made it looks like a tutorial.

[Lypsolon]

for repos with submodules, you should clone via git clone --recurse-submodules <URL>

[mkolar]

@MustafaJafar how is this looking?

[MustafaJafar]

@MustafaJafar how is this looking?

It looks good on my side and all examples were tested.