feat: add readme for polywrap-manifest

Author: Niraj-Kamdar

packages/polywrap-manifest/README.md

@@ -0,0 +1,17 @@
+# polywrap-manifest
+
+Python implementation of the WRAP manifest schema at https://github.com/polywrap/wrap
+
+## Usage
+
+### Deserialize WRAP manifest
+
+```python
+from polywrap_manifest import deserialize_wrap_manifest, WrapManifest_0_1
+
+with open("<path to WRAP package>/wrap.info", "rb") as f:
+    raw_manifest = f.read()
+
+manifest = deserialize_wrap_manifest(raw_manifest)
+assert isinstance(manifest, WrapManifest_0_1)
+```