Add 5 wiki articles from 2026-04-17/18 work

- ghost-smtp-mailgun-setup: two-system email config (newsletter API + transactional SMTP)
- firewalld-fleet-hardening: Fedora fleet firewall audit-and-harden pattern with Ansible
- clamav-fleet-deployment: fleet deployment with nice/ionice throttling + quarantine
- ansible-check-mode-false-positives: when: not ansible_check_mode guard for verify/assert tasks
- ghost-emailanalytics-lag-warning: submitted status, lag counter, fetchMissing skip explained

05-troubleshooting/yt-dlp-fedora-js-challenge.md

@@ -1,11 +1,16 @@
 ---
-title: "yt-dlp YouTube JS Challenge Fix (Fedora)"
+title: yt-dlp YouTube JS Challenge Fix (Fedora)
 domain: troubleshooting
 category: general
-tags: [yt-dlp, fedora, youtube, javascript, deno]
+tags:
+  - yt-dlp
+  - fedora
+  - youtube
+  - javascript
+  - deno
 status: published
 created: 2026-04-02
-updated: 2026-04-02
+updated: 2026-04-14T14:27
 ---
 # yt-dlp YouTube JS Challenge Fix (Fedora)