new icon: rstudio (orignal. plain) (devicons#634)

Co-authored-by: Clemens Bastian <[email protected]>

Author: Thomas-Boi

devicon.json

@@ -2996,6 +2996,16 @@
         "color": "#1B88CA",
         "aliases": []
     },
+    {
+        "name": "rstudio",
+        "tags": ["editor", "package", "statistics"],
+        "versions": {
+          "svg": ["original", "plain"],
+          "font": ["plain"]
+        },
+        "color": "#75aadb",
+        "aliases": []
+    },
     {
         "name": "sass",
         "tags": [