feat(user): adds registration form template

app/static/css/register.css

@@ -0,0 +1,24 @@
+.register {
+  max-width: 480px;
+}
+
+.register__form-button {
+  width: 100%;
+  @media(min-width: 576px) {
+    width: 200px;
+  }
+}
+
+.register__header-logo {
+  background-image: url('./../img/paw.png');
+  background-position: center;
+  background-repeat: no-repeat;
+  background-size: contain;
+}
+
+.register__header-title {
+  margin-bottom: 0px;
+  @media(min-width: 576px) {
+    margin-bottom: .5rem;  
+  }
+}