Self-host Lumeex and Instameex images instead of hotlinking them from git.djeex.fr

Same failure as the icon collections: img-src 'self' in the CSP silently
blocked these, they just happened to load once from browser cache before
this fix made them visibly broken.

content/en/5.nonsense/2.python/3.lumeex.md

@@ -6,13 +6,13 @@ description: Lumeex is a static photo gallery site generator built with Python,
 
 :ellipsis{left=0px width=40rem top=10rem blur=140px zIndex=60}
 <div align="center">
-  <img src="https://git.djeex.fr/Djeex/lumeex/raw/branch/main/illustration/logo.svg" alt="Lumeex Screenshot" width="300"/>
+  <img src="/img/nonsense/lumeex-logo.svg" alt="Lumeex logo" width="300"/>
 </div>
 <div align="center">
 <p>Yet another minimalist, lightweight photo gallery static site generator.</p>
 </div>
 <div align="center">
-  <img src="https://git.djeex.fr/Djeex/lumeex/raw/branch/main/illustration/lumeex.png" alt="Lumeex Screenshot" />
+  <img src="/img/nonsense/lumeex.png" alt="Lumeex gallery homepage" />
 </div>
 
 ---
@@ -28,7 +28,7 @@ Eventually, after getting good results, I figured I might as well go all the way
 That’s how **Lum[eex]{style="color: #1ad6ff"}** was born.
 
 <div align="center">
-  <img src="https://git.djeex.fr/Djeex/lumeex/raw/branch/main/illustration/lumeex-webui.png" alt="Lumeex Screenshot" />
+  <img src="/img/nonsense/lumeex-webui.png" alt="Lumeex configuration web UI" />
 </div>
 
 ---

content/en/5.nonsense/2.python/4.instameex.md

@@ -6,13 +6,13 @@ description: Instameex is a Docker-based tool to merge SDR and HDR photo exports
 
 :ellipsis{left=0px width=40rem top=10rem blur=140px zIndex=60}
 <div align="center">
-  <img src="https://git.djeex.fr/Djeex/instameex/raw/branch/main/src/assets/img/logo-long.svg" alt="Instameex Screenshot" width="300"/>
+  <img src="/img/nonsense/instameex-logo-long.svg" alt="Instameex logo" width="300"/>
 </div>
 <div align="center">
 <p>Mix your SDR and HDR exports into an Instagram-ready HDR photo.</p>
 </div>
 <div align="center">
-  <img src="https://git.djeex.fr/Djeex/instameex/raw/branch/main/illustration/instameex-illustration.png" width="640" alt="Instameex Screenshot" />
+  <img src="/img/nonsense/instameex-illustration.png" width="640" alt="Instameex illustration" />
 </div>
 ---
 

content/fr/5.nonsense/2.python/3.lumeex.md

@@ -6,13 +6,13 @@ description: Lumeex est un générateur de galerie photo statique en Python, min
 
 :ellipsis{left=0px width=40rem top=10rem blur=140px zIndex=60}
 <div align="center">
-  <img src="https://git.djeex.fr/Djeex/lumeex/raw/branch/main/illustration/logo.svg" alt="Lumeex Screenshot" width="300"/>
+  <img src="/img/nonsense/lumeex-logo.svg" alt="Logo Lumeex" width="300"/>
 </div>
 <div align="center">
 <p>Yet another minimalist, lightweight photo gallery static site generator.</p>
 </div>
 <div align="center">
-  <img src="https://git.djeex.fr/Djeex/lumeex/raw/branch/main/illustration/lumeex.png" alt="Lumeex Screenshot" />
+  <img src="/img/nonsense/lumeex.png" alt="Page d'accueil de la galerie Lumeex" />
 </div>
 
 ---
@@ -28,7 +28,7 @@ Finalement, après avoir obtenu de bons résultats, je me suis dit autant aller
 C'est ainsi qu'est né **Lum[eex]{style="color: #1ad6ff"}**.
 
 <div align="center">
-  <img src="https://git.djeex.fr/Djeex/lumeex/raw/branch/main/illustration/lumeex-webui.png" alt="Lumeex Screenshot" />
+  <img src="/img/nonsense/lumeex-webui.png" alt="Interface web de configuration de Lumeex" />
 </div>
 
 ---

content/fr/5.nonsense/2.python/4.instameex.md

@@ -6,13 +6,13 @@ description: Instameex est un outil Docker pour fusionner des exports SDR et HDR
 
 :ellipsis{left=0px width=40rem top=10rem blur=140px zIndex=60}
 <div align="center">
-  <img src="https://git.djeex.fr/Djeex/instameex/raw/branch/main/src/assets/img/logo-long.svg" alt="Instameex Screenshot" width="300"/>
+  <img src="/img/nonsense/instameex-logo-long.svg" alt="Logo Instameex" width="300"/>
 </div>
 <div align="center">
 <p>Mixez vos photos SDR et HDR pour obtenir un fichier parfait pour Instagram</p>
 </div>
 <div align="center">
-  <img src="https://git.djeex.fr/Djeex/instameex/raw/branch/main/illustration/instameex-illustration.png" width="640" alt="Instameex Screenshot" />
+  <img src="/img/nonsense/instameex-illustration.png" width="640" alt="Illustration Instameex" />
 </div>
 ---