Add forced-colors (#1651)

Author: jamesnw

features/forced-colors.yml

@@ -0,0 +1,14 @@
+name: Forced colors
+description: The `forced-colors` CSS @media rule detects when a user has chosen to use a forced colors mode, also known as high-contrast mode, and the `forced-color-adjust` CSS property sets whether forced colors apply to an element.
+spec:
+  - https://drafts.csswg.org/mediaqueries-5/#forced-colors
+  - https://drafts.csswg.org/css-color-adjust-1/#forced-color-adjust-prop
+group: css
+status:
+  compute_from: css.at-rules.media.forced-colors
+compat_features:
+  - css.at-rules.media.forced-colors
+  - css.properties.forced-color-adjust
+  - css.properties.forced-color-adjust.auto
+  - css.properties.forced-color-adjust.none
+  - css.properties.forced-color-adjust.preserve-parent-color

features/forced-colors.yml.dist

@@ -0,0 +1,45 @@
+# Generated from: forced-colors.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: low
+  baseline_low_date: 2022-09-12
+  support:
+    chrome: "89"
+    chrome_android: "89"
+    edge: "79"
+    firefox: "89"
+    firefox_android: "89"
+    safari: "16"
+    safari_ios: "16"
+compat_features:
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: low
+  # baseline_low_date: 2022-09-12
+  # support:
+  #   chrome: "89"
+  #   chrome_android: "89"
+  #   edge: "79"
+  #   firefox: "89"
+  #   firefox_android: "89"
+  #   safari: "16"
+  #   safari_ios: "16"
+  - css.at-rules.media.forced-colors
+
+  # baseline: false
+  # support:
+  #   chrome: "89"
+  #   chrome_android: "89"
+  #   edge: "79"
+  #   firefox: "113"
+  #   firefox_android: "113"
+  - css.properties.forced-color-adjust
+  - css.properties.forced-color-adjust.auto
+  - css.properties.forced-color-adjust.none
+
+  # baseline: false
+  # support:
+  #   chrome: "106"
+  #   chrome_android: "106"
+  #   edge: "106"
+  - css.properties.forced-color-adjust.preserve-parent-color