refactor: change action name

Relates: jonaseberle/github-action-setup-ddev#25

Author: jonaseberle

action.yml

@@ -1,6 +1,11 @@
-name: 'Setup DDEV'
-description: 'Set up your GitHub Actions workflow with DDEV'
-author: 'Jonas Eberle'
+name: 'Setup DDEV in Github Workflows'
+description: |
+  This action installs **DDEV** in your Github Workflow.
+  It's main use case is to run your Continuous Integration
+  tests against your already configured development environment. 
+  That'll facilitate developing your tests – if they run locally, 
+  they'll run in github actions, too.
+author: 'Jonas Eberle and DDEV contributors'
 runs:
   using: 'node16'
   main: 'lib/main.js'