chore: use tracking url from env variables

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Name	Status	Preview	Comments	Updated (UTC)
ishortn-ink	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	May 15, 2024 7:11am

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PR Summary

• Dynamically Set Tracker Script Source The source tracker script in our application layout has been updated. Instead of a fixed address, it now uses an environmental variable UMAMI_URL to determine its source. This allows us to change the source url easily without changing the code itself.

• Addition of UMAMI_URL to Environment Variables A new environmental variable, UMAMI_URL, has been introduced and included in our application's configuration file. It enables us to define the tracking source dynamically, improving the flexibility to switch between different tracking sources.