new icon: prisma (original, original-wordmark) (#1743)

* added prisma

* centralized original icon

* Fix `devicon.json`.
- Add `altnames` to `prisma` entry
- Change `color` to `#2D3748`

* updated icons

* updated devicon

* Update devicon.json

Co-authored-by: Jørgen Kalsnes Hagen <43886029+Snailedlt@users.noreply.github.com>

* Optimize icons

---------

Co-authored-by: Josélio Júnior <76992016+lunatic-fox@users.noreply.github.com>
Co-authored-by: Jørgen Kalsnes Hagen <43886029+Snailedlt@users.noreply.github.com>
Co-authored-by: David Leal <halfpacho@gmail.com>

Author: 4 people

devicon.json

@@ -7079,6 +7079,36 @@
         "color": "#2A0634",
         "aliases": []
     },
+    {
+        "name": "prisma",
+        "altnames": [],
+        "tags": [
+            "orm",
+            "nodejs",
+            "typescript"
+        ],
+        "versions": {
+            "svg": [
+                "original",
+                "original-wordmark"
+            ],
+            "font": [
+                "original",
+                "original-wordmark"
+            ]
+        },
+        "color": "#2D3748",
+        "aliases": [
+            {
+                "base": "original",
+                "alias": "plain"
+            },
+            {
+                "base": "original-wordmark",
+                "alias": "plain-wordmark"
+            }
+        ]
+    },
     {
         "name": "processing",
         "altnames": [