new icon: rect (original, plain) (#1051)

* added rect icon

* united plain rect svg paths

* resized rect icons

* changed rect icon kind from simplified to full

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

Author: RedCubeDev-ByteSpace

devicon.json

@@ -1682,6 +1682,24 @@
         },
         "color": "#64328B",
         "aliases": []
+    },
+	{
+        "name": "rect",
+        "tags": [
+            "programming",
+			"language"
+        ],
+        "versions": {
+            "svg": [
+                "original",
+                "plain"
+            ],
+            "font": [
+                "plain"
+            ]
+        },
+        "color": "#262626",
+        "aliases": []
     },
     {
         "name": "gcc",