Add social icon for ctftime (#300)

Co-authored-by: Aditya Telange <21258296+adityatelange@users.noreply.github.com>

layouts/partials/svg.html

@@ -78,6 +78,19 @@
             d="M309 489 c-19 -19 -20 -30 -17 -204 3 -163 5 -185 22 -204 23 -25 78 -28 97 -5 7 9 29 22 50 30 36 15 59 47 59 83 0 10 7 24 15 31 19 16 19 60 1 86 -8 10 -12 29 -9 41 3 15 -3 30 -19 46 -12 13 -30 37 -38 53 -10 19 -25 30 -42 32 -15 2 -32 10 -38 18 -18 20 -57 17 -81 -7z m71 -14 c7 -8 23 -15 35 -15 34 0 48 -22 34 -54 -10 -20 -19 -26 -46 -26 -34 0 -44 -13 -17 -24 28 -11 47 -7 70 15 30 28 48 16 41 -28 -4 -24 -2 -36 8 -39 20 -8 28 -40 15 -64 -11 -20 -63 -28 -86 -12 -17 11 -36 51 -29 62 3 5 1 11 -5 15 -16 10 -24 -25 -12 -57 9 -24 8 -30 -8 -38 -21 -11 -33 -37 -24 -52 4 -6 16 2 28 17 20 25 26 27 64 20 23 -4 44 -10 47 -14 9 -15 -26 -51 -49 -51 -14 0 -30 -10 -40 -25 -18 -27 -54 -33 -74 -13 -17 17 -17 384 1 391 22 9 34 7 47 -8z" />
     </g>
 </svg>
+{{- else if (eq $icon_name "ctftime") -}}
+<svg version="1.0" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 220.000000 200.000000"
+    preserveAspectRatio="xMidYMid meet">
+    <g transform="translate(0.000000,200.000000) scale(0.100000,-0.100000)" fill="currentColor" stroke="none">
+        <path d="M365 1499 c201 -275 365 -503 365 -507 0 -4 -84 -120 -188 -259 -103
+            -139 -263 -355 -356 -480 -93 -125 -173 -229 -178 -231 -45 -19 101 -22 992
+            -22 l1000 0 0 1000 0 1000 -1000 0 -999 0 364 -501z m1310 -509 l0 -305 -312
+            -3 -313 -2 0 310 0 310 313 -2 312 -3 0 -305z" />
+        <path d="M1150 1194 c0 -2 -1 -95 -1 -206 l0 -203 216 -3 215 -2 0 210 0 210
+            -157 0 -158 0 98 -98 c53 -53 97 -101 97 -106 0 -4 -42 -48 -92 -97 l-93 -88
+            -28 26 -27 27 65 66 65 66 -100 101 c-55 55 -100 99 -100 97z" />
+    </g>
+</svg>
 {{- else if (eq $icon_name "dev") -}}
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" stroke="none">
     <path