Add color feature (#2313)

Author: jamesnw

features/color.yml

@@ -0,0 +1,7 @@
+name: Color
+description: The `color` CSS property sets the primary foreground color of an element, which is used for text, the default border color, and text decorations.
+spec: https://drafts.csswg.org/css-color-4/#the-color-property
+group: css
+compat_features:
+  - css.properties.color
+  - css.types.color

features/color.yml.dist

@@ -0,0 +1,18 @@
+# Generated from: color.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "1"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1"
+    firefox_android: "4"
+    safari: "1"
+    safari_ios: "1"
+compat_features:
+  - css.properties.color
+  - css.types.color