Fix reference and update icons (#2042)

Co-authored-by: Jørgen Kalsnes Hagen <[email protected]>

Author: lunatic-fox

devicon.json

@@ -4678,16 +4678,25 @@
         ],
         "versions": {
             "svg": [
-                "plain",
-                "plain-wordmark"
+                "original",
+                "original-wordmark"
             ],
             "font": [
-                "plain",
-                "plain-wordmark"
+                "original",
+                "original-wordmark"
             ]
         },
         "color": "#8a4182",
-        "aliases": []
+        "aliases": [
+            {
+                "base": "original",
+                "alias": "plain"
+            },
+            {
+                "base": "original-wordmark",
+                "alias": "plain-wordmark"
+            }
+        ]
     },
     {
         "name": "java",