Update AreaPrinter.WithCenter() to allow individual centering of lines

[prnvbn]

Description

Update AreaPrinter.WithCenter() to allow individual centering of lines

Scope

What is affected by this pull request?

• Bug Fix
• New Feature
• Documentation
• Other

Related Issue

Fixes #618

To-Do Checklist

• I tested my changes
• I have commented every method that I created/changed
• I updated the examples to fit with my changes
• I have added tests for my newly created methods

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (55cd2a7) 81.65% compared to head (f5e646c) 81.67%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #619      +/-   ##
==========================================
+ Coverage   81.65%   81.67%   +0.01%     
==========================================
  Files          33       33              
  Lines        4127     4130       +3     
==========================================
+ Hits         3370     3373       +3     
  Misses        693      693              
  Partials       64       64              

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[MarvinJWendt]

Hi, this would be a breaking change, as the parameters changed.

[MarvinJWendt]

Thanks for the PR!
I am not sure if we really need to add this to the AreaPrinter, as it is already possible using the putils package in PTerm (which should definitely be documented better):

func main() {
	area, _ := pterm.DefaultArea.WithCenter().Start()

	for i := 0; i < 10; i++ {
		var str string
		str += "Hello, World!\n"
		str += "Current iteration: " + strconv.Itoa(i) + "\n"
		str += "Long text asdasdasdasdasd"
		area.Update(putils.CenterText(str))
		time.Sleep(time.Second)
	}

	area.Stop()
}