Would pay for a script (similar to csgolounge or opskins)

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Javascript

Java

PHP

Steam

JSON

API

Hello guys jason here
I'm looking for a small script which is very similar to the scripts on csgolounge or opskins

at the beginning i need to say that i would pay the person for the script
if it's working fine i'm able to pay more than 100-200$

I would like to get a script to view my csgo backpack on a my site while I'm logged in through the official steam api.

It should look like that

https://gyazo.com/ab7c9b50435d2167139be94e3480b746

or that

https://gyazo.com/c71c1a6c7fee379649a548539bbf3ef0

to be honest i only want the function that i can click on my item and it will shown in a box like https://gyazo.com/680b0a61eaddff0b79940452b4bd2f59

after i've clicked on the item
i should be able to "place my item" and being redirected to the next page
if someone click on "place item" i would like to get an e-mail including "sell price" " our cut" "your cut"

i'm really sorry for my bad english but it isn't my mother tongue ^^