chore: add rootDir to tsconfig (packages/shared/tsconfig-build.json)

Author: mayank1513

packages/shared/tsconfig-build.json

@@ -2,6 +2,7 @@
   // using tsc for type declarations as "Note that declaration files generated by any tool other than tsc are not guaranteed to be error-free, so it's a good idea to test the output with tsc" - https://tsup.egoist.dev/#generate-declaration-file
   "extends": "@repo/typescript-config/react-library.json",
   "compilerOptions": {
+    "rootDir": "./src",
     "outDir": "dist",
     "noEmit": false,
     "emitDeclarationOnly": true,