Add lab.svg icon file for improved visual representation

icons/svg/substore/external.svg

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+<svg fill="#000000" height="800px" width="800px" version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" 
+	 viewBox="0 0 365.789 365.789" xml:space="preserve">
+<g id="XMLID_7_">
+	<path id="XMLID_8_" d="M137.743,18.96v139.676c0,62.873,51.15,114.023,114.022,114.023c62.873,0,114.023-51.15,114.023-114.023
+		V18.96H137.743z M225.575,98.13c0,14.77-12.017,26.787-26.787,26.787S172.001,112.9,172.001,98.13
+		c0-14.771,12.017-26.787,26.787-26.787S225.575,83.359,225.575,98.13z M277.957,98.13c0-14.771,12.017-26.787,26.787-26.787
+		s26.787,12.017,26.787,26.787c0,14.77-12.017,26.787-26.787,26.787S277.957,112.9,277.957,98.13z M219.562,172.001
+		c3.773,8.898,17.209,15.894,32.204,15.894s28.432-6.996,32.205-15.894h33.146c-1.503,13.065-8.85,25.31-20.672,34.176
+		c-12.122,9.092-27.989,14.1-44.679,14.1c-16.688,0-32.556-5.007-44.678-14.1c-11.823-8.867-19.17-21.111-20.673-34.176H219.562z"/>
+	<path id="XMLID_13_" d="M177.154,284.553l-1.181-0.703h-29.747c-3.772-8.898-17.209-15.894-32.203-15.894
+		c-14.995,0-28.432,6.996-32.205,15.894H48.673c1.503-13.065,8.85-25.31,20.672-34.176c12.124-9.093,27.991-14.1,44.679-14.1
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+		c0,62.873,51.15,114.023,114.023,114.023c34.758,0,67.232-15.701,89.099-43.077l4.313-5.402l-6.48-2.406
+		C192.743,292.895,184.736,289.063,177.154,284.553z M61.045,145.512c14.771,0,26.787,12.017,26.787,26.787
+		c0,14.771-12.017,26.787-26.787,26.787c-14.77,0-26.786-12.017-26.786-26.787C34.259,157.529,46.275,145.512,61.045,145.512z"/>
+</g>
+</svg>