Add pipeline best practices and local development guidance

[zc-hmcts]

No description provided.

[github-actions]

@check-spelling-bot Report

🔴 Please review

See the 📂 files view, the 📜action log, or 📝 job summary for details.

Unrecognized words (11)

Danalyzer
Ddata
Ddependency
Dnvd
ossindex
OWASPDB
Pnvd
Qube
retirejs
tfenv
validforhours

To accept these unrecognized words as correct, you could run the following commands

... in a clone of the git@github.com:hmcts/hmcts.github.io.git repository
on the pipeline_practices branch (ℹ️ how do I use this?):

curl -s -S -L 'https://raw.githubusercontent.com/check-spelling/check-spelling/v0.0.23/apply.pl' |
perl - 'https://github.com/hmcts/hmcts.github.io/actions/runs/29259695535/attempts/1'

Warnings (1)

See the 📂 files view, the 📜action log, or 📝 job summary for details.

⚠️ Warnings	Count
⚠️ no-newline-at-eof	1

See ⚠️ Event descriptions for more information.

---

🖊️ Please consider adding a word to the allow list if it is flagged as a spelling error but is genuinely used within the project.
🤔 Think we might see a flagged mistake in another PR in the future? Please consider adding it as an expected pattern.