Fix SCSS imports for Storybook compatibility

Revert SCSS imports to use src/styles/ path which works for both development
(Storybook) and the built dist/ output. Add ./src/* export to components for
development access.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: xrendan

packages/charts/src/components/styles/colors.scss

@@ -10,7 +10,7 @@
  * Import Build Canada Design Tokens
  ******************************************************************************/
 
-@use "@buildcanada/components/styles/tokens" as bc;
+@use "@buildcanada/components/src/styles/tokens" as bc;
 
 /*******************************************************************************
  * Brand Colors (from Build Canada design system)

packages/charts/src/styles/charts.scss

@@ -8,7 +8,7 @@
  */
 
 // Import Build Canada design system fonts
-@use "@buildcanada/components/styles/fonts";
+@use "@buildcanada/components/src/styles/fonts";
 
 // Import the main grapher styles which include all component styles
 @import "../grapher/core/grapher.scss";

packages/components/package.json

@@ -12,7 +12,8 @@
       "import": "./dist/index.js"
     },
     "./styles.css": "./dist/styles/main.scss",
-    "./styles/*": "./dist/styles/*"
+    "./styles/*": "./dist/styles/*",
+    "./src/*": "./src/*"
   },
   "files": [
     "dist"