fix: correct typos, improve consistency, and update URLs

[sergeypanin1994]

fix: correct typos, improve consistency, and update URLs

• Changed "initialises" to "initializes" (American English spelling).
• Corrected "whats" to "what's".
• Capitalized "Gossamer Testnet" for consistency.
• Changed "finalisation" to "finalization" (American English spelling).
• Corrected grammatical error: "extrinsics is used" to "extrinsics are used".
• Changed "setup" to "set up" for proper verb usage.
• Corrected "docker file" and "alice docker file" to "Dockerfile" for consistency.
• Removed extra space before "Datadog API key".
• Fixed spelling of "strategiey" to "strategy".
• Updated Twitter URL to x.com format.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.36%. Comparing base (d1ca7aa) to head (9c683ed).
Report is 292 commits behind head on development.

Additional details and impacted files

@@               Coverage Diff               @@
##           development    #4451      +/-   ##
===============================================
+ Coverage        50.51%   54.36%   +3.84%     
===============================================
  Files              230      345     +115     
  Lines            29006    45806   +16800     
===============================================
+ Hits             14653    24901   +10248     
- Misses           12856    18650    +5794     
- Partials          1497     2255     +758     

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[dimartiro]

Hey @sergeypanin1994 , thanks for your contribution. Are you planning to address the latest comments from Eclesio? let me know in case we need to close this PR as stale

[sergeypanin1994]

Привет@sergeypanin1994, спасибо за ваш вклад. Планируете ли вы ответить на последние комментарии от Eclesio? дайте мне знать, если нам нужно будет закрыть этот PR как устаревший

Fixed. Sorry for the wait.

[EclesioMeloJunior]

@sergeypanin1994 there is 2 more comments, can you address them?

[sergeypanin1994]

I corrected the mistake

[sergeypanin1994]

Is everything okay?

[P1sar]

Is everything okay?

Hey @sergeypanin1994 everything appears ok, will merge anytime soon.

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Comments have been addressed and we have two approvals from other reviewers.