Added Proxmox icon (#1406)

_data/simple-icons.json

@@ -2035,6 +2035,11 @@
             "hex": "8B89CC",
             "source": "https://protonmail.com/media-kit"
         },
+        {
+            "title": "Proxmox",
+            "hex": "E57000",
+            "source": "https://www.proxmox.com/en/news/media-kit"
+        },
         {
             "title": "Python",
             "hex": "3776AB",

icons/proxmox.svg

@@ -0,0 +1 @@
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Proxmox icon</title><path d="M4.928 1.825c-1.09.553-1.09.64-.07 1.78 5.655 6.295 7.004 7.782 7.107 7.782.139.017 7.971-8.542 8.058-8.801.034-.07-.208-.312-.519-.536-.415-.312-.864-.433-1.712-.467-1.59-.104-2.144.242-4.115 2.455-.899 1.003-1.66 1.833-1.66 1.833-.017 0-.76-.813-1.642-1.798S8.473 2.1 8.127 1.91c-.796-.45-2.421-.484-3.2-.086zM1.297 4.367C.45 4.695 0 5.007 0 5.248c0 .121 1.331 1.678 2.94 3.459 1.625 1.78 2.939 3.268 2.939 3.302 0 .035-1.331 1.522-2.94 3.303C1.314 17.11.017 18.683.035 18.822c.086.467 1.504 1.055 2.541 1.055 1.678-.018 2.058-.312 5.603-4.202 1.78-1.954 3.233-3.614 3.233-3.666 0-.069-1.435-1.694-3.199-3.63-2.3-2.508-3.423-3.632-3.96-3.874-.812-.398-2.126-.467-2.956-.138zm18.467.12c-.502.26-1.764 1.505-3.943 3.891-1.763 1.937-3.199 3.562-3.199 3.631 0 .07 1.453 1.712 3.234 3.666 3.544 3.89 3.925 4.184 5.602 4.202 1.038 0 2.455-.588 2.542-1.055.017-.156-1.28-1.712-2.905-3.493-1.608-1.78-2.94-3.285-2.94-3.32 0-.034 1.332-1.539 2.94-3.32C22.72 6.91 24.017 5.352 24 5.214c-.087-.45-1.366-.968-2.473-1.038-.795-.034-1.21.035-1.763.312zM7.954 16.973c-2.144 2.369-3.908 4.374-3.943 4.46-.034.07.208.312.52.537.414.311.864.432 1.711.467 1.574.103 2.161-.26 4.15-2.508.864-.968 1.608-1.78 1.625-1.78s.761.812 1.643 1.798c2.023 2.248 2.559 2.576 4.132 2.49.848-.035 1.297-.156 1.712-.467.311-.225.553-.467.519-.536-.087-.26-7.92-8.819-8.058-8.801-.069 0-1.867 1.954-4.011 4.34z"/></svg>