plugin type fix and readme

tools/wasm-pack-plugin/README.md

@@ -2,6 +2,9 @@
 
 This is a drone/woodpecker plugin for building and publishing wasm-pack packages.
 
+When using this plugin it is best to pull every time since it can be updated often internally.
+
+
 ## Settings
 
 - `actions` (required): Actions (see below) to run
@@ -18,3 +21,20 @@ This is a drone/woodpecker plugin for building and publishing wasm-pack packages
 - `username` (required): NPM registry username
 - `token` (required): NPM registry auth token (secret recommended)
 - `registry` (default=`https://registry.npmjs.org`): NPM registry to publish to
+
+## Example
+Taken from [wasm-o-x-rust.yml](../../.woodpecker/wasm-o-x-rust.yml)
+```yaml
+pipeline:
+  build and publish:
+    image: git.koval.net/cyclane/game-algorithms/wasm-pack-plugin
+    pull: true
+    settings:
+      actions: build,publish
+      folder: wasm/o-x-rust
+      scope: game-algorithms
+      username: cyclane
+      token:
+        from_secret: DEPLOY_TOKEN
+      registry: https://git.koval.net/api/packages/cyclane/npm/
+```

tools/wasm-pack-plugin/plugin.sh

@@ -34,7 +34,7 @@ if [[ "${PLUGIN_ACTIONS}" =~ '(^|,)build(,|$)' ]]; then
 fi
 
 if [[ "${PLUGIN_ACTIONS}" =~ '(^|,)publish(,|$)' ]]; then
-    REGISTY=${PLUGIN_REGISTRY:-https://registry.npmjs.org/}
+    REGISTRY=${PLUGIN_REGISTRY:-https://registry.npmjs.org/}
 
     if [ "${PLUGIN_SCOPE:-}" = "" ]; then
         npm config set registry ${REGISTRY}