Add node modules and new code for release (#57)

Co-authored-by: taakleton <taakleton@users.noreply.github.com>

node_modules/cssstyle/lib/utils/colorSpace.js

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+'use strict';
+
+const hueToRgb = (t1, t2, hue) => {
+  if (hue < 0) hue += 6;
+  if (hue >= 6) hue -= 6;
+
+  if (hue < 1) return (t2 - t1) * hue + t1;
+  else if (hue < 3) return t2;
+  else if (hue < 4) return (t2 - t1) * (4 - hue) + t1;
+  else return t1;
+};
+
+// https://www.w3.org/TR/css-color-4/#hsl-to-rgb
+exports.hslToRgb = (hue, sat, light) => {
+  const t2 = light <= 0.5 ? light * (sat + 1) : light + sat - light * sat;
+  const t1 = light * 2 - t2;
+  const r = hueToRgb(t1, t2, hue + 2);
+  const g = hueToRgb(t1, t2, hue);
+  const b = hueToRgb(t1, t2, hue - 2);
+  return [Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)];
+};

node_modules/cssstyle/lib/utils/getBasicPropertyDescriptor.js

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+'use strict';
+
+module.exports = function getBasicPropertyDescriptor(name) {
+  return {
+    set: function(v) {
+      this._setProperty(name, v);
+    },
+    get: function() {
+      return this.getPropertyValue(name);
+    },
+    enumerable: true,
+    configurable: true,
+  };
+};