new icon: envoy (original, original-wordmark, plain, plain-wordmark) (#1228)

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

* renaming old commit

* removed bad object in devicon.json

* fix envoy after rebase

Author: kilianpaquier

devicon.json

@@ -1988,6 +1988,28 @@
           }
         ]
     },
+    {
+        "name": "envoy",
+        "altnames": [
+            "envoyproxy"
+        ],
+        "tags": [
+            "proxy",
+            "cloud"
+        ],
+        "versions": {
+            "svg": [
+                "original",
+                "original-wordmark"
+            ],
+            "font": [
+                "plain",
+                "plain-wordmark"
+            ]
+        },
+        "color": "#e13eaf",
+        "aliases": []
+    },
     {
         "name": "erlang",
         "altnames": [],