feat: add article on apache airflow

[lepiaf]

blog post about apache airflow

[github-actions]

⚡️🏠 Lighthouse report

Here's the summary:

Path	Performance	Accessibility	Best practices	SEO	PWA
/feat/apache-airflow/	🟠 62	🟠 73	🟠 83	🟢 92	🟠 60
/feat/apache-airflow/fr/authors/ajacquemin/	🟠 64	🟠 73	🟠 75	🟢 92	🟠 60
/feat/apache-airflow/fr/comment-construire-site-web-avec-nextjs/	🔴 48	🟠 76	🟠 83	🟢 100	🟠 60
/feat/apache-airflow/fr/nestjs-le-cycle-de-vie-dune-requete/	🟠 76	🟠 76	🟠 75	🟢 97	🟠 60

Here's the audits:

Path	FCP 1800 <=	LCP 2500 <=	Speed Index 3400 <=	TTI 3800 <=	TBT 200 <=	CLS 0.1 <=
/feat/apache-airflow/	🔴 2701	🔴 11945	🟢 2731	🔴 12295	🟢 68	🟢 0
/feat/apache-airflow/fr/authors/ajacquemin/	🔴 2038	🔴 11333	🟢 2417	🔴 11684	🟢 77	🟢 0
/feat/apache-airflow/fr/comment-construire-site-web-avec-nextjs/	🔴 2476	🔴 3853	🔴 3523	🔴 14175	🔴 1762	🟢 0
/feat/apache-airflow/fr/nestjs-le-cycle-de-vie-dune-requete/	🔴 2252	🔴 2700	🟢 2931	🔴 12182	🔴 349	🟢 0