Add formatting libraries to composer.json

vendor/leafo/lessphp/tests/outputs/media.css

@@ -0,0 +1,70 @@
+@media screen,3D {
+  P {
+    color: green;
+  }
+}
+@media print {
+  body {
+    font-size: 10pt;
+  }
+}
+@media screen {
+  body {
+    font-size: 13px;
+  }
+}
+@media screen,print {
+  body {
+    line-height: 1.2;
+  }
+}
+@media all and (min-width: 0px) {
+  body {
+    line-height: 1.2;
+  }
+}
+@media all and (min-width: 0) {
+  body {
+    line-height: 1.2;
+  }
+}
+@media screen and (min-width: 102.5em) and (max-width: 117.9375em),screen and (min-width: 150em) {
+  body {
+    color: blue;
+  }
+}
+@media screen and (min-height: 110px) {
+  body {
+    color: red;
+  }
+}
+@media screen and (height: 100px) and (width: 110px),(size: 120px) {
+  body {
+    color: red;
+  }
+}
+@media test {
+  div {
+    height: 20px;
+  }
+}
+@media test and (hello) {
+  div {
+    color: red;
+  }
+  div pre {
+    color: orange;
+  }
+}
+@media yeah {
+  @page {
+    @media cool {
+      color: red;
+    }
+  }
+}
+@media (max-width: 599px) {
+  .helloworld {
+    color: blue;
+  }
+}