[Visual Refresh] Borealis visualization palettes

.github/CODEOWNERS

@@ -430,6 +430,7 @@ packages/kbn-openapi-generator @elastic/security-detection-rule-management
 packages/kbn-optimizer @elastic/kibana-operations
 packages/kbn-optimizer-webpack-helpers @elastic/kibana-operations
 packages/kbn-osquery-io-ts-types @elastic/security-asset-management
+packages/kbn-palettes @elastic/kibana-visualizations
 packages/kbn-panel-loader @elastic/kibana-presentation
 packages/kbn-peggy @elastic/kibana-operations
 packages/kbn-peggy-loader @elastic/kibana-operations

package.json

@@ -716,6 +716,7 @@
     "@kbn/osquery-plugin": "link:x-pack/plugins/osquery",
     "@kbn/paertial-results-example-plugin": "link:examples/partial_results_example",
     "@kbn/painless-lab-plugin": "link:x-pack/plugins/painless_lab",
+    "@kbn/palettes": "link:packages/kbn-palettes",
     "@kbn/panel-loader": "link:packages/kbn-panel-loader",
     "@kbn/plugin-check": "link:packages/kbn-plugin-check",
     "@kbn/portable-dashboards-example": "link:examples/portable_dashboards_example",

packages/kbn-coloring/src/palettes/types.ts

@@ -140,7 +140,9 @@ export interface CustomPaletteParams {
   progression?: 'fixed';
   rangeMin?: number;
   rangeMax?: number;
+  /** lower color stops */
   stops?: ColorStop[];
+  /** upper color stops */
   colorStops?: ColorStop[];
   steps?: number;
   maxSteps?: number | undefined;