Add tutorial for IntelliJ IDEA 2023 and lower

[minhh2792]

It should be app.jar, not product.jar

https://github.com/Aikoyori/ProgrammingVTuberLogos/assets/63439671/194f1b9f-a210-48a1-ad94-b63a05858c21

[Doge2077]

app.jar is the way for 2023 version to replacce, but in 2024 InteliJ IDEA coloudn't find idea_logo@2x.png and idea_logo.png in app.jar

[minhh2792]

well then, im gonna add a section for 2023, which i supposed it gonna works on <2023 as well

[Aikoyori]

lgtm