Rename /.well-known/warg/ -> /.well-known/wasm-pkg/ (#92)

Author: lann

warg-registry.json

@@ -0,0 +1,8 @@
+---
+layout: none
+permalink: .well-known/wasm-pkg/registry.json
+---
+{
+        "ociRegistry": "ghcr.io",
+        "ociNamespacePrefix": "bytecodealliance/wasm-pkg/"
+}