Make src/index.ts the main entrypoint to avoid having to build before installing

Author: puehringer

packages/table-core/package.json

@@ -23,14 +23,14 @@
     "datagrid"
   ],
   "type": "commonjs",
-  "module": "build/lib/index.esm.js",
-  "main": "build/lib/index.js",
-  "types": "build/lib/index.d.ts",
+  "module": "src/index.ts",
+  "main": "src/index.ts",
+  "types": "src/index.ts",
   "exports": {
     ".": {
-      "types": "./build/lib/index.d.ts",
-      "import": "./build/lib/index.mjs",
-      "default": "./build/lib/index.js"
+      "types": "./src/index.ts",
+      "import": "./src/index.ts",
+      "default": "./src/index.ts"
     },
     "./package.json": "./package.json"
   },