Add sqlite3.wasm as explicit package.json export

Author: ggoodman

package.json

@@ -28,7 +28,8 @@
       "main": "./index.mjs",
       "browser": "./index.mjs"
     },
-    "./package.json": "./package.json"
+    "./package.json": "./package.json",
+    "./sqlite3.wasm": "./sqlite-wasm/jswasm/sqlite3.wasm"
   },
   "bin": {
     "sqlite-wasm": "bin/index.js"