Reduced README content and introduced smart-waits.

[iamcharankumar]

• Reduced lines of code in Page classes.
• Reduced too much information in README.md.
• Introduced smart-waits with exponential delays.

[codecov]

Codecov Report

Attention: Patch coverage is 20.54795% with 58 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...java/io/swaglabs/portal/qa/utils/WebPageUtils.java	0.00%	53 Missing ⚠️
.../io/swaglabs/portal/qa/pages/SwagLabsHomePage.java	37.50%	5 Missing ⚠️

Files with missing lines	Coverage Δ	Complexity Δ
...ava/io/swaglabs/portal/qa/commons/WebBasePage.java	78.26% <100.00%> (-5.08%)	9.00 <1.00> (-1.00)
.../io/swaglabs/portal/qa/pages/SwagLabsCartPage.java	100.00% <100.00%> (ø)	2.00 <1.00> (ø)
.../portal/qa/pages/SwagLabsCheckoutCompletePage.java	100.00% <100.00%> (ø)	4.00 <1.00> (ø)
.../portal/qa/pages/SwagLabsCheckoutOverviewPage.java	100.00% <100.00%> (ø)	2.00 <1.00> (ø)
...swaglabs/portal/qa/pages/SwagLabsCheckoutPage.java	100.00% <100.00%> (ø)	6.00 <4.00> (ø)
...io/swaglabs/portal/qa/pages/SwagLabsLoginPage.java	54.54% <100.00%> (-5.46%)	5.00 <2.00> (ø)
.../io/swaglabs/portal/qa/pages/SwagLabsHomePage.java	38.46% <37.50%> (-3.48%)	4.00 <2.00> (ø)
...java/io/swaglabs/portal/qa/utils/WebPageUtils.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)

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