Seed (#459)

* v1 for seed

* partly added generators in seed-overview

* formatting

* added rest of generators and complex example to seed-overview

* Fixes for seed docs

* Restructure

* added tabs

* small fixes

* Add a few changes to docs

* Finish docs

* added arraySize in generators doc

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Co-authored-by: AndriiSherman <[email protected]>

Author: OleksiiKH0240