added in readme and updated build script

README.md

@@ -1 +1,29 @@
-# dtdl-parser
+# dtdl-parser
+
+A library for parsing and validating (DTDL)[https://learn.microsoft.com/en-us/azure/digital-twins/concepts-models] ontologies.
+
+## Prerequisites
+
+`node` >= 20
+`dotnet` [CLI](https://learn.microsoft.com/en-us/dotnet/core/install/)
+Run `dotnet workload install wasm-tools` to install `wasm-tools`
+
+## Getting started
+
+Install dependencies
+
+`npm install`
+
+Build javascript files
+
+`npm run build`
+
+Basic usage
+
+```javascript
+import { parseDirectories,  validateDirectories} from "dtdl-parser"
+import { getInterop } from 'dtdl-parser/src/interop'
+
+const parser = await getInterop()
+parseDirectories('../dtdl/simple', parser)
+```

package.json

@@ -6,7 +6,7 @@
   "type": "module",
   "scripts": {
     "test": "NODE_ENV=test ./node_modules/.bin/mocha --config ./test/mocharc.json ./src/**/*.test.ts",
-    "build": "npx swc ./src ./package.json -d ./build --copy-files",
+    "build": "swc ./src ./package.json -d ./build --copy-files",
     "clean": "rimraf -rf ./build",
     "lint": "eslint .",
     "depcheck": "depcheck"