Add Shenzhen Metro (#3158)

* Add Shenzhen Metro

* Fix two outermost feet not touching the bottom of the canvas, change color and update source for Shenzhen Metro icon.

_data/simple-icons.json

@@ -5205,6 +5205,11 @@
             "hex": "FFD500",
             "source": "https://en.wikipedia.org/wiki/File:Shell_logo.svg"
         },
+        {
+            "title": "Shenzhen Metro",
+            "hex": "009943",
+            "source": "https://en.wikipedia.org/wiki/File:Shenzhen_Metro_Corporation_logo_full.svg"
+        },
         {
             "title": "Shopify",
             "hex": "7AB55C",

icons/shenzhenmetro.svg

@@ -0,0 +1 @@
+<svg role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><title>Shenzhen Metro icon</title><path d="M.27 0v.155c0 4.69 3.033 8.751 7.331 10.434v2.736C3.303 14.99.271 19.019.271 23.768V24H4.36v-.232c0-2.459 1.278-4.623 3.24-5.934V24h3.165v-7.384c.408-.065.82-.098 1.234-.1.423 0 .834.038 1.235.1V24h3.165v-6.148c1.925 1.313 3.163 3.469 3.163 5.916V24h4.168v-.232c0-4.691-3.033-8.751-7.331-10.434V10.6c4.298-1.665 7.33-5.696 7.33-10.446V.001h-4.09v.154c0 2.458-1.277 4.622-3.24 5.934V0h-3.165v7.305c-.408.066-.821.1-1.235.103a8.11 8.11 0 0 1-1.234-.103V.001H7.6V6.07C5.675 4.757 4.438 2.602 4.438.154V.001zm10.495 11.358c.82.084 1.648.084 2.469.001v1.205a12.236 12.236 0 0 0-2.47 0z"/></svg>