Adds Google Keep logo

Fix #374
Color taken from header of Keep website

_data/simple-icons.json

@@ -505,6 +505,11 @@
             "hex": "0C9D58",
             "source": "https://material.google.com/resources/sticker-sheets-icons.html#sticker-sheets-icons-components"
         },
+        {
+            "title": "Google Keep",
+            "hex": "FFBB00",
+            "source": "https://play.google.com/store/apps/details?id=com.google.android.keep"
+        },
         {
             "title": "Google Play",
             "hex": "607D8B",

icons/googlekeep.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" version="1.2" baseProfile="tiny" viewBox="0 0 16 16"><path fill="#020202" d="M13.33 5.33C13.33 2.4 10.93 0 8 0S2.67 2.4 2.67 5.33c0 1.7.8 3.26 2.13 4.27v5.32h1.08V16h4.24v-1.08h1.08V9.6c1.34-1 2.13-2.58 2.13-4.27zm-7.46 8.52V12.8h4.26v1.05H5.87zm0-2.13v-1.05h4.26v1.05H5.87zm4.5-2.84l-.24.16v.56H5.87v-.56l-.23-.16c-1.2-.8-1.9-2.12-1.9-3.55 0-2.35 1.9-4.26 4.26-4.26s4.26 1.9 4.26 4.26c0 1.43-.7 2.76-1.9 3.55z"/></svg>