WASM instance setup (#11)

* Code for running wasm file.

* Add test for wasm exported function.

* Use target names for build files.

Co-authored-by: nabarun <nabarun@deepstacksoft.com>

packages/graph-node/package.json

@@ -6,6 +6,7 @@
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^4.25.0",
     "@typescript-eslint/parser": "^4.25.0",
+    "assemblyscript": "^0.19.16",
     "eslint": "^7.27.0",
     "eslint-config-semistandard": "^15.0.1",
     "eslint-config-standard": "^16.0.3",
@@ -13,10 +14,19 @@
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^5.1.0",
     "eslint-plugin-standard": "^5.0.0",
-    "typescript": "^4.3.2"
+    "typescript": "^4.3.2",
+    "nodemon": "^2.0.7",
+    "ts-node": "^10.0.0"
   },
   "scripts": {
     "lint": "eslint .",
-    "build": "tsc"
+    "build": "tsc",
+    "asbuild:debug": "asc assembly/index.ts --target debug",
+    "asbuild:release": "asc assembly/index.ts --target release",
+    "asbuild": "yarn asbuild:debug && yarn asbuild:release",
+    "test": "mocha src/**/*.test.ts"
+  },
+  "dependencies": {
+    "@assemblyscript/loader": "^0.19.16"
   }
 }