Rename action to mention Stainless (#6)

Also update the README with a link to https://stainlessapi.com/.

README.md

@@ -7,7 +7,7 @@ stainless-api/upload-openapi-spec
 [![lint](https://github.com/stainless-api/upload-openapi-spec-action/actions/workflows/lint.yml/badge.svg)](https://github.com/stainless-api/upload-openapi-spec-action/actions/workflows/lint.yml)
 [![build](https://github.com/stainless-api/upload-openapi-spec-action/actions/workflows/build.yml/badge.svg)](https://github.com/stainless-apiupload-openapi-spec-action/actions/workflows/build.yml)
 
-A GitHub action for pushing your OpenAPI spec to Stainless to trigger regeneration of your SDKs.
+A GitHub action for pushing your OpenAPI spec to [Stainless](https://stainlessapi.com/) to trigger regeneration of your SDKs.
 
 Note that there is currently a manual step in between this action and automatic creation of your PR's,
 and more manual steps before they are merged and released.

action.yml

@@ -1,5 +1,5 @@
-name: upload-openapi-spec
-description: Upload your OpenAPI spec to update your SDKs (and, if configured, add example snippets to your API docs). stainlessapi.com
+name: Stainless — Upload OpenAPI specification
+description: Upload your OpenAPI spec to update your Stainless SDKs (and, if configured, add example snippets to your API docs)
 branding:
   icon: book-open
   color: green
@@ -8,10 +8,10 @@ runs:
   main: dist/index.js
 inputs:
   stainless_api_key:
-    description: 'Stainless API key.'
+    description: "Stainless API key."
     required: true
   input_path:
-    description: 'Path to the OpenAPI file.'
+    description: "Path to the OpenAPI file."
     required: true
   output_path:
-    description: 'Output path for the decorated OpenAPI spec.'
+    description: "Output path for the decorated OpenAPI spec."