Added script for UTM initialisation

[adrienne-deriv]

Integrated script to initalise UTM data for marketing analytics

Tested with http://localhost:5174/buy-sell?utm_source=adroll&utm_medium=ppc-display&utm_campaign=CCC&utm_campaign_id=DDD&utm_adgroup_id=EEE&signup_device=desktop:

Tested with http://localhost:5174/buy-sell?t=test&utm_source=AAA&utm_medium=BBB&utm_campaign=CCC:

[github-actions]

Preview Link: https://init-utm-script.p2p-standalone.pages.dev

Name	Result
Build status	Completed ✅
Preview URL	Visit Preview
Action URL	Visit Action

[coveralls]

Pull Request Test Coverage Report for Build 10137636049

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 85.442%

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Totals
Change from base Build 10108699185:	0.0%
Covered Lines:	5605
Relevant Lines:	6102

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💛 - Coveralls

[amam-deriv]

was thinking if we can follow deriv app to put the script below GTM script init. however since its async script, it will defer the init and should be ok. Overall LGTM!

Great testing!