feat: build for js bindings

bindings/cdk-js/.npmignore

@@ -0,0 +1,12 @@
+.cargo/
+target/
+src/
+scripts/
+examples/
+pkg/package.json
+pkg/*.md
+pkg/*.wasm
+.gitignore
+Cargo.toml
+Cargo.lock
+*.tgz

bindings/cdk-js/justfile

@@ -0,0 +1,3 @@
+pack:
+	rm -rf ./pkg
+	wasm-pack build --target web

bindings/cdk-js/package.json

@@ -0,0 +1,42 @@
+{
+  "name": "@cashudevkit/cdk",
+  "version": "0.0.0",
+  "description": "Cashu Dev Kit",
+  "keywords": [
+    "cashu"
+    "rust",
+    "bindings",
+    "javascript"
+  ],
+  "license": "MIT",
+  "homepage": "https://github.com/cashubtc/cdk",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/cashubtc/cdk.git"
+  },
+  "bugs": {
+    "url": "https://github.com/cashubtc/cdk/issues"
+  },
+  "author": {
+    "name": "thesimplekid",
+    "email": "tsk@thesimplekid.com",
+    "url": "https://github.com/thesimplekid"
+  },
+  "main": "pkg/cdk_js.js",
+  "types": "pkg/cdk_js.d.ts",
+  "files": [
+      "pkg/cdk_js_bg.wasm.js",
+      "pkg/cdk_js_bg.wasm.d.ts",
+      "pkg/cdk_js.js",
+      "pkg/cdk_js.d.ts"
+  ],
+  "devDependencies": {
+    "wasm-pack": "^0.10.2"
+  },
+  "engines": {
+    "node": ">= 10"
+  },
+  "scripts": {
+    "build": "wasm-pack build --target web",
+  }
+}