Migrate library builds and publishing tools to TypeScript (#2311)

* Migrate library builds to RSLib

Author: heswell

.semgrepignore

@@ -28,7 +28,10 @@ vuu-ui/showcase/scripts/utils.mjs
 vuu-ui/scripts/build-rollup.mjs
 vuu-ui/scripts/utils.mjs
 vuu-ui/scripts/build.mjs
+vuu-ui/scripts/build-rslib.ts
 vuu-ui/scripts/build-typelib.mjs
+vuu-ui/scripts/copy-license.ts
+vuu-ui/scripts/utils.ts
 vuu-ui/tools/vuu-showcase/scripts/build-file-list.ts
 vuu-ui/tools/vuu-showcase/scripts/showcase-build.ts
 vuu-ui/tools/vuu-showcase/scripts/showcase-dev.ts