make packages for dart and npm

packages/js-sdk/src/constants.ts

@@ -0,0 +1,19 @@
+/**
+ * Default Intaleq branding colors and stylings.
+ */
+export const IntaleqColors = {
+    /** The signature Intaleq Blue color. */
+    primaryBlue: '#0D47A1',
+
+    /** Cyan used for remaining route lines. */
+    routeCyan: '#00e5ff',
+
+    /** Gray used for traveled paths or alternatives. */
+    softGray: '#BDBDBD',
+
+    /** Semi-transparent gray for polygon fills. */
+    fillGray: '#BDBDBD33', // 20% opacity
+
+    /** Red for error or stop states. */
+    alertRed: '#ba1a1a',
+} as const;