feat: added basic css file [CustomerReviewsSlider] #134

src/QUI/Bricks/Controls/Slider/CustomerReviewsSlider.css

+.customerReviewsSlider-track {
+    opacity: 0;
+    transition: height .2s ease-in-out, opacity .2s ease-in-out;
+    padding-bottom: 2.5rem;
+    visibility: hidden;
+}
+
+.customerReviewsSlider-dot:hover,
+.customerReviewsSlider-arrow:hover {
+    cursor: pointer;
+}
+
+@media screen and (max-width: 768px) {
+
+    .customerReviewsSlider-templateOne-arrows {
+        display: none;
+    }
+}
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