refactor: mettre à jour les projets web (oki.re→pawol.nu, retraits)

src/_data/projects.json

@@ -1,31 +1,10 @@
 [
   {
-    "name": "FEDIVERSE OKI",
-    "icon": "🌐",
-    "domain": "fediverse.o-k-i.net",
-    "description": "Portail d'accès à tous nos services Fédiverse",
-    "url": "https://fediverse.o-k-i.net/"
-  },
-  {
-    "name": "OKI.RE",
+    "name": "PAWOL.NU",
     "icon": "🎶",
-    "domain": "oki.re",
+    "domain": "pawol.nu",
     "description": "Transcriptions et traductions de productions musicales",
-    "url": "https://oki.re/"
-  },
-  {
-    "name": "NUVEL.NU",
-    "icon": "📰",
-    "domain": "nuvel.nu",
-    "description": "Actualités multilingues de nos régions",
-    "url": "https://nuvel.nu/"
-  },
-  {
-    "name": "JWE.OVH",
-    "icon": "🎮",
-    "domain": "jwe.ovh",
-    "description": "Jeu cartographique éducatif et ludique",
-    "url": "https://jwe.ovh/"
+    "url": "https://pawol.nu/"
   },
   {
     "name": "GONG.GP",