feat(standard-styling): Add button color map

falcon/_dev/css/theme/custom/components/_buttons.scss

@@ -0,0 +1,26 @@
+// To customize text colors per button, use this map
+$btn-color: (
+    "primary": $white,
+    "secondary": $white,
+    "light": $primary,
+    "dark": $white,
+);
+
+// Generate button color overrides from the map
+@each $name, $color in $btn-color {
+    .btn-#{$name},
+    .btn-lg-#{$name},
+    .btn-sm-#{$name} {
+        color: $color !important;
+    }
+    .btn-outline-#{$name},
+    .btn-lg-outline-#{$name},
+    .btn-sm-outline-#{$name} {
+        color: $color;
+        &:hover,
+        &:focus,
+        &:active {
+            color: $color !important;
+        }
+    }
+}