Add Keycloak icon (#10688)

* Add Keycloak

* Add license

_data/simple-icons.json

@@ -7974,6 +7974,15 @@
             "hex": "047AED",
             "source": "https://www.keycdn.com/logos"
         },
+        {
+            "title": "Keycloak",
+            "hex": "4D4D4D",
+            "source": "https://github.com/keycloak/keycloak-misc/blob/dee033f2d6d6b5c3a6ce8eb84e285f7e5626dbf6/logo/icon-black.svg",
+            "license": {
+                "type": "custom",
+                "url": "https://www.linuxfoundation.org/legal/trademark-usage"
+            }
+        },
         {
             "title": "Keystone",
             "hex": "166BFF",

icons/keycloak.svg

@@ -0,0 +1 @@
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Keycloak</title><path d="m18.742 1.182-12.493.002C4.155 4.784 2.079 8.393 0 12.002c2.071 3.612 4.162 7.214 6.252 10.816l12.49-.004 3.089-5.404h2.158v-.002H24L23.996 6.59h-2.168zM8.327 4.792h2.081l1.04 1.8-3.12 5.413 3.117 5.403-1.035 1.81H8.327a2047.566 2047.566 0 0 0-4.168-7.204C5.547 9.606 6.937 7.2 8.327 4.792Zm6.241 0 2.086.003c1.393 2.405 2.78 4.813 4.166 7.222l-4.167 7.2h-2.08c-.382-.562-1.038-1.808-1.038-1.808l3.123-5.405-3.124-5.413z"/></svg>