gradle auth setup

.gitignore

@@ -15,3 +15,4 @@ build/*
 _site/
 *.css
 !petclinic.css
+.key

build.gradle

@@ -42,6 +42,10 @@ scmVersion {
     tag {
         prefix.set(rootProject.name)
     }
+    repository {
+        customKeyFile.set(project.file('.key'))
+        customKeyPassword.set("")
+    }
 }
 
 project.version = scmVersion.version