Enhance package.json exports structure with development, profiler, and production environments (#7810)

Author: marklundin

package.json

@@ -30,8 +30,18 @@
   "exports": {
     ".": {
       "types": "./build/playcanvas.d.ts",
-      "import": "./build/playcanvas/src/index.js",
-      "require": "./build/playcanvas.js"
+      "development": {
+        "import": "./build/playcanvas.dbg/src/index.js",
+        "require": "./build/playcanvas.dbg.js"
+      },
+      "profiler": {
+        "import": "./build/playcanvas.prf/src/index.js",
+        "require": "./build/playcanvas.prf.js"
+      },
+      "production": {
+        "import": "./build/playcanvas/src/index.js",
+        "require": "./build/playcanvas.js"
+      }
     },
     "./debug": {
       "types": "./build/playcanvas.d.ts",