new icon: delphi (original, plain) (#2429)

* new icon: delphi-12 (original)

* new icon: delphi-12 (original)

* new icon: delphi (original)

* Add plain icon

* Optimizing icons

* Add optimized version created by @gewaleelek

Optimized version of the one created by @gewaleelek here: #2290 (comment)

Co-authored-by: gewaleelek <165679471+gewaleelek@users.noreply.github.com>

* Update delphi-plain.svg

* update color to the same as the plain icon

---------

Co-authored-by: Bulani <jao_1999@hotmail.com>
Co-authored-by: gewaleelek <165679471+gewaleelek@users.noreply.github.com>

Author: 3 people

devicon.json

@@ -2804,6 +2804,26 @@
         "color": "#A80030",
         "aliases": []
     },
+    {
+        "name": "delphi",
+        "altnames": [
+            "embarcadero"
+        ],
+        "tags": [
+            "language"
+        ],
+        "versions": {
+            "svg": [
+                "original",
+                "plain"
+            ],
+            "font": [
+                "plain"
+            ]
+        },
+        "color": "#a81c21",
+        "aliases": []
+    },
     {
         "name": "denojs",
         "altnames": [],