docs: move Oracle, DigitalOcean, Raspberry Pi to Install > Hosting, rewrite with Steps

docs/docs.json

@@ -52,6 +52,18 @@
     ]
   },
   "redirects": [
+    {
+      "source": "/platforms/oracle",
+      "destination": "/install/oracle"
+    },
+    {
+      "source": "/platforms/digitalocean",
+      "destination": "/install/digitalocean"
+    },
+    {
+      "source": "/platforms/raspberry-pi",
+      "destination": "/install/raspberry-pi"
+    },
     {
       "source": "/brave-search",
       "destination": "/tools/brave-search"
@@ -885,6 +897,7 @@
                 "group": "Hosting",
                 "pages": [
                   "install/azure",
+                  "install/digitalocean",
                   "install/docker-vm-runtime",
                   "install/exe-dev",
                   "install/fly",
@@ -893,7 +906,9 @@
                   "install/kubernetes",
                   "install/macos-vm",
                   "install/northflank",
+                  "install/oracle",
                   "install/railway",
+                  "install/raspberry-pi",
                   "install/render",
                   "vps"
                 ]
@@ -1164,10 +1179,7 @@
                   "platforms/linux",
                   "platforms/windows",
                   "platforms/android",
-                  "platforms/ios",
-                  "platforms/digitalocean",
-                  "platforms/oracle",
-                  "platforms/raspberry-pi"
+                  "platforms/ios"
                 ]
               },
               {