feat: add SEO descriptions to all pages and fix canonical URL

content/5.nonsense/1.python/1.nvidia-stock-bot.md

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 navigation: true
 title: Nvidia Stock Bot
+description: A Python bot that monitors GPU stock availability in real time and sends Discord alerts — built during the RTX 5000 series launch shortage.
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   fluid: false
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content/5.nonsense/1.python/2. adguard-cidre.md

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 navigation: true
 title: Adguard CIDRE
+description: A Python script to sync AdGuard Home CIDR allowlists automatically, securing your self-hosted DNS server exposed to the internet.
 main:
   fluid: false
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content/5.nonsense/1.python/3.lumeex.md

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 navigation: true
 title: Lumeex
+description: Lumeex is a static photo gallery site generator built with Python — minimalist, lightweight, and fully customizable without a CMS.
 main:
   fluid: false
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content/5.nonsense/1.python/4.instameex.md

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 navigation: true
 title: Instameex
+description: Instameex is a Docker-based tool to merge SDR and HDR photo exports into a proper gain-map JPEG ready for Instagram HDR upload.
 main:
   fluid: false
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content/5.nonsense/2.bash/1.servarr-duplicates.md

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 navigation: true
 title: Servarr corrector
+description: A bash script to detect and fix duplicate media files in Sonarr and Radarr libraries by replacing copies with hardlinks to reclaim disk space.
 main:
   fluid: false
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content/5.nonsense/2.bash/2.luks- backup.md

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 navigation: true
 title: LUKS Backup
+description: A bash script to automatically dump LUKS headers from all encrypted disks, identify them by serial number, and store them in an encrypted archive.
 main:
   fluid: false
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content/5.nonsense/2.bash/3.socat-proxy.md

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 navigation: true
 title: Socat Proxy
+description: Use socat to proxy the Docker socket through Docker Socket Proxy, allowing Beszel to collect container stats without exposing the full Docker socket.
 main:
   fluid: false
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content/5.nonsense/2.bash/4.hotdisk.md

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 navigation: true
 title: HotDisk
+description: A bash script that monitors hard drive temperatures and automatically shuts down the server when disks stay above a safe threshold for too long.
 main:
   fluid: false
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content/5.nonsense/2.bash/5.backrest-docker-stop.md

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 navigation: true
 title: Backrest Docker Stop
+description: A bash script that stops Docker containers before a Backrest backup runs and restarts them after — ensuring safe database backups without complex dumps.
 main:
   fluid: false
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