[eas-cli] wording tweaks for messages

[Simek]

Why

Fixes ENG-14562
Fixes ENG-14458
Fixes ENG-10850

How

Wording tweaks for EAS CLI messages.

Test Plan

The changes have been reviewed by running CLI locally.

Preview

[linear]

ENG-14562 Removing "." after URL in outage warning message

ENG-14458 Remove "servers" from the end of message about env vars

ENG-10850 Change project init text in EAS CLI to refer to EAS rather than Expo

[github-actions]

Subscribed to pull request

File Patterns	Mentions
**/*	@szdziedzic, @khamilowicz, @sjchmiela, @radoslawkrzemien

Generated by CodeMention

[github-actions]

Size Change: +3.18 kB (+0.01%)

Total Size: 53.4 MB

Filename	Size	Change
./packages/eas-cli/dist/eas-linux-x64.tar.gz	53.4 MB	+3.18 kB (+0.01%)

_{compressed-size-action}

[codecov]

Codecov Report

Attention: Patch coverage is 22.22222% with 7 lines in your changes missing coverage. Please review.

Project coverage is 52.51%. Comparing base (a1d086f) to head (e781a24).

Files with missing lines	Patch %	Lines
packages/eas-cli/src/commands/device/delete.ts	0.00%	2 Missing ⚠️
packages/eas-cli/src/commands/device/rename.ts	0.00%	2 Missing ⚠️
...eProjectIDForWriteToConfigWithConfirmationAsync.ts	0.00%	2 Missing ⚠️
packages/eas-cli/src/utils/statuspageService.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2790   +/-   ##
=======================================
  Coverage   52.51%   52.51%           
=======================================
  Files         583      583           
  Lines       22582    22582           
  Branches     4452     4452           
=======================================
  Hits        11856    11856           
  Misses      10691    10691           
  Partials       35       35           

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[github-actions]

✅ Thank you for adding the changelog entry!