Add azure-prebuild script

[lrafeei]

This script will enable Azure App Services to install New Relic before the app executes without having to override the startup script.

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ ACTION	actionlint	5		0	0	0.47s
✅ MARKDOWN	markdownlint	7	0	0	0	1.09s
✅ MARKDOWN	markdown-link-check	7		0	0	17.84s
✅ PYTHON	ruff	893	0	0	0	0.54s
✅ PYTHON	ruff-format	893	0	0	0	0.33s
✅ YAML	prettier	11	0	0	0	1.19s
✅ YAML	v8r	11		0	0	4.88s
✅ YAML	yamllint	11		0	0	0.55s

See detailed report in MegaLinter reports

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.07%. Comparing base (687d47c) to head (d58b04f).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1351   +/-   ##
=======================================
  Coverage   81.07%   81.07%           
=======================================
  Files         204      204           
  Lines       22822    22822           
  Branches     3618     3618           
=======================================
  Hits        18502    18502           
  Misses       3120     3120           
  Partials     1200     1200           

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[TimPansino]

Suggested change

	# Retrieve files to use in startup script:
	curl -L https://raw.githubusercontent.com/newrelic/newrelic-agent-init-container/refs/heads/main/src/python/newrelic_k8s_operator.py > newrelic_k8s_operator.py
	curl -L https://raw.githubusercontent.com/newrelic/newrelic-agent-init-container/refs/heads/main/src/python/requirements-vendor.txt > requirements-vendor.txt
	curl -L https://raw.githubusercontent.com/newrelic/newrelic-agent-init-container/refs/heads/main/src/python/requirements-builder.txt > requirements-builder.txt
	cd /home/
	pip install -r requirements-builder.txt
	export NEW_RELIC_EXTENSIONS=false
	export WRAPT_DISABLE_EXTENSIONS=true
	pip install newrelic --target=./workspace/newrelic
	mkdir -p ./workspace/vendor
	pip install --target=./workspace/vendor -r requirements-vendor.txt
	cp ./workspace/* /home/
	cp /home/workspace/newrelic/newrelic/bootstrap/sitecustomize.py /home/sitecustomize.py
	cd /home/site/wwwroot
	# Retrieve files to use in startup script:
	curl -L https://raw.githubusercontent.com/newrelic/newrelic-agent-init-container/refs/heads/main/src/python/newrelic_k8s_operator.py > newrelic_k8s_operator.py
	curl -L https://raw.githubusercontent.com/newrelic/newrelic-agent-init-container/refs/heads/main/src/python/requirements-vendor.txt > requirements-vendor.txt
	mkdir -p /home/.newrelic
	cd /home/.newrelic
	pip install 'setuptools>=40.8.0' wheel
	export NEW_RELIC_EXTENSIONS=false
	export WRAPT_DISABLE_EXTENSIONS=true
	pip install newrelic --target=./newrelic
	mkdir -p ./vendor
	pip install --target=./vendor -r requirements-vendor.txt
	cp /home/.newrelic/newrelic/bootstrap/sitecustomize.py /home/.newrelic/sitecustomize.py
	cd /home/site/wwwroot