new icon: circleci (plain, plain-wordmark) (#648)

Co-authored-by: Raúl Julián López Caña <rjlopezmad@gmail.com>
Co-authored-by: Clemens Bastian <8781699+amacado@users.noreply.github.com>

devicon.json

@@ -506,6 +506,16 @@
         "color": "#ce4e4e",
         "aliases": []
     },
+    {
+        "name": "circleci",
+        "tags": ["integration", "platform"],
+        "versions": {
+          "svg": ["plain", "plain-wordmark"],
+          "font": ["plain", "plain-wordmark"]
+        },
+        "color": "#343434",
+        "aliases": []
+    },
     {
         "name": "clojure",
         "tags": [

icons/circleci/circleci-plain.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 128 128">
+<path fill="#343434" d="M 47.808594 64 C 47.808594 55.550781 54.65625 48.769531 63.039062 48.769531 C 71.425781 48.769531 78.273438 55.617188 78.273438 64 C 78.273438 72.382812 71.425781 79.230469 63.039062 79.230469 C 54.65625 79.230469 47.808594 72.382812 47.808594 64 Z M 63.039062 0 C 33.152344 0 8.128906 20.480469 1.023438 48.128906 C 0.960938 48.320312 0.960938 48.511719 0.960938 48.769531 C 0.960938 50.433594 2.304688 51.839844 4.03125 51.839844 L 29.824219 51.839844 C 31.039062 51.839844 32.128906 51.136719 32.574219 50.046875 C 37.886719 38.527344 49.535156 30.464844 63.039062 30.464844 C 81.535156 30.464844 96.574219 45.503906 96.574219 64 C 96.574219 82.496094 81.535156 97.535156 63.039062 97.535156 C 49.535156 97.535156 37.886719 89.535156 32.574219 77.953125 C 32.0625 76.929688 31.039062 76.160156 29.824219 76.160156 L 4.03125 76.160156 C 2.367188 76.160156 0.960938 77.503906 0.960938 79.230469 C 0.960938 79.425781 1.023438 79.617188 1.023438 79.871094 C 8.0625 107.519531 33.152344 128 63.039062 128 C 98.367188 128 127.039062 99.328125 127.039062 64 C 127.039062 28.671875 98.367188 0 63.039062 0 Z M 63.039062 0 "/>
+</svg>