Added badge

.gitlab/license.svg

+<svg width="115.3" height="20" viewBox="0 0 1153 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="license: CC-BY-4.0">
+  <title>license: CC-BY-4.0</title>
+  <linearGradient id="a" x2="0" y2="100%">
+    <stop offset="0" stop-opacity=".1" stop-color="#EEE"/>
+    <stop offset="1" stop-opacity=".1"/>
+  </linearGradient>
+  <mask id="m"><rect width="1153" height="200" rx="30" fill="#FFF"/></mask>
+  <g mask="url(#m)">
+    <rect width="476" height="200" fill="#555"/>
+    <rect width="677" height="200" fill="#DB1" x="476"/>
+    <rect width="1153" height="200" fill="url(#a)"/>
+  </g>
+  <g aria-hidden="true" fill="#fff" text-anchor="start" font-family="Verdana,DejaVu Sans,sans-serif" font-size="110">
+    <text x="60" y="148" textLength="376" fill="#000" opacity="0.25">license</text>
+    <text x="50" y="138" textLength="376">license</text>
+    <text x="531" y="148" textLength="577" fill="#000" opacity="0.25">CC-BY-4.0</text>
+    <text x="521" y="138" textLength="577">CC-BY-4.0</text>
+  </g>
+  
+</svg>
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