new icon: reactrouter (original, original-wordmark, plain, plain-wordmark) (devicons#1765)

* new icon: reactrouter (reactrouter-original, reactrouter-original-wordmark, reactrouter-plain, reactrouter-plain-wordmark)

* Add reactrouter icons

* Update devicon.json

* Update devicon.json

* Remove alt text

* Update font version

* Update devicon.json

* Fixes
- Add comma to split items of `tags` in `devicon.json`.
- Remove `height` and `width` and replace by `viewBox`.
- Remove fill color from plain versions.

---------

Co-authored-by: Josélio Júnior <[email protected]>
Co-authored-by: David Leal <[email protected]>

Author: 3 people

devicon.json

@@ -8435,6 +8435,28 @@
             }
         ]
     },
+    {
+        "name": "reactrouter", 
+        "altnames": [],
+        "tags": [
+            "framework",
+            "react"
+        ], 
+        "versions": {
+            "svg": [
+                "original",
+                "original-wordmark",
+                "plain",
+                "plain-wordmark"
+            ], 
+            "font": [
+                "plain",
+                "plain-wordmark"
+            ] 
+        },
+        "color": "#f44250", 
+        "aliases": [] 
+    },
     {
         "name": "sequelize",
         "altnames": [