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Update README

GP-132 add GitHub animation (sample)

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Original file line number	Diff line number	Diff line change
`@@ -15,15 +15,17 @@ You're supposed to be familiar Java classes and casting`
`15`	`15`	`* change the getter return type to parametrized type ✅`
`16`	`16`	* refactor `BoxDemoApp` to specify generic type as `Integer` and receive compile time error ✅
`17`	`17`
`18`		`-`
`19`		`----`
	`18`	`+##`
`20`	`19`
`21`	`20`	`In many cases the logic we implement does not depend on the data type. In other words, **many algorithms are the same`
`22`	`21`	`regardless if you apply them to Integer, String or any other types.** So in order to leverage the same logic for different`
`23`	`22`	types we need some form of type parametrization. Of course, we can use `Object` and store anything we want, but
`24`	`23`	it is not safe. Using `Object` requires runtime casting which can cause runtime exceptions.
`25`	`24`
`26`		`----`
	`25`	`+##`
`27`	`26`
`28`	`27`	`#### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-course/tree/main/0-0-intro#introduction)`
`29`		`-#### ➡️ Have any feedback? – [Please fill the form ](https://forms.gle/Q5aEmF8E86fbZ4rXA)`
	`28`	`+#### ➡️ Have any feedback? – [Please fill the form ](https://forms.gle/Q5aEmF8E86fbZ4rXA)`
	`29`	`+`
	`30`	`+##`
	`31`	`+<div align="center"><img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/animation/GitHub%20Star_3.gif" height=50/></div>`

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