new icon: centos (original, original-wordmark) (#724)

* new icon: centos (original, original-wordmark)

* Updated scale for centos-original-wordmark.svg

* Updated scale for centos-original.svg

* Update centos-original-wordmark.svg

* Update centos-original.svg

* Update devicon.json

Co-authored-by: David Leal <halfpacho@gmail.com>

* devicon.jsson: Fixed indentation

* Update devicon.json

Co-authored-by: David Leal <halfpacho@gmail.com>

* Apply suggestions from code review

* centos: added plain and plain-wordmark

* Update icons/centos/centos-plain-wordmark.svg

Co-authored-by: David Leal <halfpacho@gmail.com>

* Update icons/centos/centos-plain.svg

Co-authored-by: David Leal <halfpacho@gmail.com>

Co-authored-by: David Leal <halfpacho@gmail.com>
Co-authored-by: Thomas Bui <43018778+Thomas-Boi@users.noreply.github.com>

Author: 3 people

devicon.json

@@ -545,6 +545,27 @@
             }
         ]
     },
+    {
+        "name": "centos",
+        "tags": [
+            "server",
+            "linux"
+        ],
+        "versions": {
+            "svg": [
+                "original",
+                "original-wordmark",
+                "plain",
+                "plain-wordmark"
+            ],
+            "font": [
+                "plain",
+                "plain-wordmark"
+            ]
+        },
+        "color": "#932178",
+        "aliases": []
+    },
     {
         "name": "ceylon",
         "tags": [