Add GIRAD icon and entry to custom icons list

auth/assets/custom-icons/_data/custom-icons.json

@@ -471,6 +471,9 @@
       "title": "Gate.io",
       "slug": "gateio.svg"
     },
+    {
+      "title": "GIRAD"
+    },
     {
       "title": "GitHub"
     },

auth/assets/custom-icons/icons/girad.svg

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generator: https://ezgif.com/png-to-svg -->
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" width="195" height="195">
+<path d="M0,0 L44,0 L70,2 L94,6 L98,8 L98,39 L95,75 L91,98 L85,114 L76,131 L65,145 L58,153 L55,154 L55,144 L51,131 L42,121 L38,118 L38,98 L34,98 L33,29 L28,27 L26,26 L26,89 L22,89 L22,25 L20,25 L20,89 L13,89 L12,29 L11,30 L11,98 L6,98 L6,118 L-3,125 L-9,135 L-11,143 L-11,154 L-15,152 L-25,141 L-35,126 L-43,110 L-48,95 L-52,69 L-54,44 L-55,8 L-50,6 L-26,2 Z " fill="#046097" transform="translate(75,8)"/>
+<path d="M0,0 L44,0 L70,2 L94,6 L98,8 L98,39 L95,75 L91,98 L85,114 L76,131 L65,145 L58,153 L55,154 L55,144 L51,131 L42,121 L38,118 L38,98 L34,98 L33,29 L28,27 L26,26 L26,89 L22,89 L22,25 L20,24 L22,24 L22,1 L0,1 Z " fill="#0495C0" transform="translate(75,8)"/>
+<path d="M0,0 L8,0 L13,3 L15,7 L15,15 L6,21 L0,20 L-7,16 L-8,10 L-5,3 Z " fill="#0A669B" transform="translate(93,165)"/>
+<path d="M0,0 L6,1 L10,5 L11,7 L11,15 L2,21 L-2,20 L0,20 Z " fill="#0D99C1" transform="translate(97,165)"/>
+</svg>