Update symbol-defs.svg

add database
Close #21

image/symbol-defs.svg

@@ -74,6 +74,12 @@
 <path class="path1" d="M6 28h20c3.314 0 6-2.686 6-6h-32c0 3.314 2.686 6 6 6zM26 24h2v2h-2v-2zM30 4h-28l-2 16h32z"></path>
 </symbol>
 
+<symbol id="icon-database" viewBox="0 0 32 32">
+<path class="path1" d="M16 0c-8.837 0-16 2.239-16 5v4c0 2.761 7.163 5 16 5s16-2.239 16-5v-4c0-2.761-7.163-5-16-5z"></path>
+<path class="path2" d="M16 17c-8.837 0-16-2.239-16-5v6c0 2.761 7.163 5 16 5s16-2.239 16-5v-6c0 2.761-7.163 5-16 5z"></path>
+<path class="path3" d="M16 26c-8.837 0-16-2.239-16-5v6c0 2.761 7.163 5 16 5s16-2.239 16-5v-6c0 2.761-7.163 5-16 5z"></path>
+</symbol>
+
 <symbol id="icon-bubbles4" viewBox="0 0 36 32">
 <path class="path1" d="M15 4c-1.583 0-3.112 0.248-4.543 0.738-1.341 0.459-2.535 1.107-3.547 1.926-1.876 1.518-2.91 3.463-2.91 5.474 0 1.125 0.315 2.217 0.935 3.247 0.646 1.073 1.622 2.056 2.821 2.842 0.951 0.624 1.592 1.623 1.761 2.748 0.028 0.187 0.051 0.375 0.068 0.564 0.085-0.079 0.169-0.16 0.254-0.244 0.754-0.751 1.771-1.166 2.823-1.166 0.167 0 0.335 0.011 0.503 0.032 0.605 0.077 1.223 0.116 1.836 0.116 1.583 0 3.112-0.248 4.543-0.738 1.341-0.459 2.535-1.107 3.547-1.926 1.876-1.518 2.91-3.463 2.91-5.474s-1.033-3.956-2.91-5.474c-1.012-0.819-2.206-1.467-3.547-1.926-1.431-0.49-2.96-0.738-4.543-0.738zM15 0v0c8.284 0 15 5.435 15 12.139s-6.716 12.139-15 12.139c-0.796 0-1.576-0.051-2.339-0.147-3.222 3.209-6.943 3.785-10.661 3.869v-0.785c2.008-0.98 3.625-2.765 3.625-4.804 0-0.285-0.022-0.564-0.063-0.837-3.392-2.225-5.562-5.625-5.562-9.434 0-6.704 6.716-12.139 15-12.139zM31.125 27.209c0 1.748 1.135 3.278 2.875 4.118v0.673c-3.223-0.072-6.181-0.566-8.973-3.316-0.661 0.083-1.337 0.126-2.027 0.126-2.983 0-5.732-0.805-7.925-2.157 4.521-0.016 8.789-1.464 12.026-4.084 1.631-1.32 2.919-2.87 3.825-4.605 0.961-1.84 1.449-3.799 1.449-5.825 0-0.326-0.014-0.651-0.039-0.974 2.268 1.873 3.664 4.426 3.664 7.24 0 3.265-1.88 6.179-4.82 8.086-0.036 0.234-0.055 0.474-0.055 0.718z"></path>
 </symbol>