Move package.json file to give it access to all cargo packages

.gitignore

@@ -1,2 +1,8 @@
+native/target
+native/index.node
+native/artifacts.json
+**/node_modules
 /target
+**/.DS_Store
+.idea
 Cargo.lock

node-plugin/package.json → package.json

@@ -2,12 +2,13 @@
   "name": "@graphprotocol/cost-model",
   "version": "0.1.16",
   "description": "Cost model",
-  "main": "lib/index.js",
-  "types": "lib/index.d.ts",
+  "main": "node-plugin/lib/index.js",
+  "types": "/node-plugin/lib/index.d.ts",
   "files": [
-    "/lib",
-    "/src",
-    "Cargo.toml"
+    "/node-plugin/lib",
+    "/node-plugin/src",
+    "/node-plugin/Cargo.toml",
+    "/lang/"
   ],
   "repository": {
     "type": "git",
@@ -25,7 +26,7 @@
     "arm64"
   ],
   "scripts": {
-    "build": "cargo-cp-artifact -a cdylib node_plugin ./native/index.node -- cargo build --message-format=json-render-diagnostics",
+    "build": "cargo-cp-artifact -a cdylib node_plugin ./node-plugin/native/index.node -- cargo build --message-format=json-render-diagnostics",
     "build-debug": "yarn build --",
     "build-release": "yarn build --release",
     "package": "node-pre-gyp package",
@@ -46,7 +47,7 @@
   },
   "binary": {
     "module_name": "index",
-    "module_path": "./native",
+    "module_path": "./node-plugin/native",
     "host": "https://github.com/graphprotocol/agora/releases/download/",
     "remote_path": "v{version}",
     "package_name": "graphprotocol-agora-plugin-v{version}-{node_abi}-{platform}-{arch}.tar.gz"