Add *.wasm files to the exports section of package.json

Allows package consumers to access the Wasm binaries, see for example:
swissspidy/media-experiments#603

CHANGELOG.md

@@ -14,6 +14,7 @@ Uses libvips v8.15.2, compiled with Emscripten v3.1.64.
   automatically deleted when `setAutoDeleteLater(true)` is used.
   [#70](https://github.com/kleisauke/wasm-vips/pull/70)
   [@marcosc90](https://github.com/marcosc90)
+- Add `*.wasm` files to the `exports` section of `package.json`.
 
 ### Changed
 

package.json

@@ -25,7 +25,11 @@
       },
       "default": "./lib/vips.js"
     },
-    "./versions": "./versions.json"
+    "./versions": "./versions.json",
+    "./vips.wasm": "./lib/vips.wasm",
+    "./vips-heif.wasm": "./lib/vips-heif.wasm",
+    "./vips-jxl.wasm": "./lib/vips-jxl.wasm",
+    "./vips-resvg.wasm": "./lib/vips-resvg.wasm"
   },
   "main": "lib/vips-node.js",
   "browser": "lib/vips.js",