feat/create better solution for env vars

[PatrykKuniczak]

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Priority*

• High: This PR needs to be merged first for other tasks.
• Middle: This PR should be merged quickly to prevent conflicts due to common changes. (default)
• Low: This PR does not affect other tasks, so it can be merged later.

Purpose of the PR*

I've decided to fix issue about import.meta.env by solution with only process.env because i hope this will be more simple, to have only one instance with all envs

Changes*

I've removed vite env solution and replace it with process.env

How to check the feature

Try to add env(Read docs about it) and try to access it anywhere