included initial page, styles and modules

- uses node.js and materialize

node_modules/@materializecss/materialize/sass/components/_pulse.scss

@@ -0,0 +1,34 @@
+.pulse {
+  &::before {
+    content: '';
+    display: block;
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    top: 0;
+    left: 0;
+    background-color: inherit;
+    border-radius: inherit;
+    transition: opacity .3s, transform .3s;
+    animation: pulse-animation 1s cubic-bezier(0.24, 0, 0.38, 1) infinite;
+    z-index: -1;
+  }
+
+  overflow: visible;
+  position: relative;
+}
+
+@keyframes pulse-animation {
+  0% {
+    opacity: 1;
+    transform: scale(1);
+  }
+  50% {
+    opacity: 0;
+    transform: scale(1.5);
+  }
+  100% {
+    opacity: 0;
+    transform: scale(1.5);
+  }
+}