[GHA] Configure license check

Author: FranzBusch

.github/workflows/pull_request.yml

@@ -9,4 +9,5 @@ jobs:
     name: Checks
     uses: apple/swift-nio/.github/workflows/reusable_pull_request.yml@main
     with:
-      benchmarks_linux_enabled: false
+      benchmarks_linux_enabled: false
+      license_header_check_project_name: "SwiftOpenAPIGenerator"

.licenseignore

@@ -0,0 +1,39 @@
+.gitignore
+.licenseignore
+.spi.yml
+.swift-format
+.github/*
+CODE_OF_CONDUCT.md
+CONTRIBUTING.md
+CONTRIBUTORS.txt
+LICENSE.txt
+NOTICE.txt
+Package.swift
+Package.resolved
+README.md
+SECURITY.md
+scripts/unacceptable-language.txt
+Tests/PetstoreConsumerTests/Generated
+Tests/OpenAPIGeneratorReferenceTests/Resources/ReferenceSources/*
+docker/*
+**/*.docc/*
+**/.gitignore
+**/Package.swift
+**/Package.resolved
+**/README.md
+**/openapi.yaml
+**/openapi.yml
+**/petstore.yaml
+**/openapi-generator-config.yaml
+**/openapi-generator-config.yml
+**/docker-compose.yaml
+**/docker/*
+**/.dockerignore
+Plugins/OpenAPIGenerator/PluginsShared
+Plugins/OpenAPIGeneratorCommand/PluginsShared
+Examples/HelloWorldiOSClientAppExample/HelloWorldiOSClientApp.*
+Examples/HelloWorldiOSClientAppExample/HelloWorldiOSClientApp/Assets.xcassets/*
+Examples/HelloWorldiOSClientAppExample/HelloWorldiOSClientApp/Preview*
+Examples/**/Generated*
+**/Makefile
+**/*.html