feat(theme-shared): export theme-shared tokens

npm/ng-packs/packages/theme-shared/src/lib/tokens/index.ts

@@ -0,0 +1,2 @@
+export * from './append-content.token';
+export * from './http-error.token';

npm/ng-packs/packages/theme-shared/src/public-api.ts

@@ -8,4 +8,5 @@ export * from './lib/components';
 export * from './lib/directives';
 export * from './lib/models';
 export * from './lib/services';
+export * from './lib/tokens';
 export * from './lib/utils';