First development of the deploy action (#6)

Deploy js code to an instance of screeps.
Some debugging tools are implemented.

Reviewed-on: #6
Co-authored-by: Philipp Horstenkamp <philipp@horstenkamp.de>
Co-committed-by: Philipp Horstenkamp <philipp@horstenkamp.de>

action.yaml

@@ -0,0 +1,42 @@
+name: Upload to Screeps
+description: This action uploads code to the Screeps server.
+inputs:
+  protocol:
+    description: 'The protocol to use (default: https).'
+    required: false
+    default: https
+  hostname:
+    description: 'The hostname of the Screeps server (default: screeps.com).'
+    required: false
+    default: screeps.com
+  port:
+    description: 'The port to use (default: 443).'
+    required: false
+    default: '443'
+  path:
+    description: The path for the API.
+    required: false
+    default: /
+  token:
+    description: Authentication token for Screeps.
+    required: true
+  username:
+    description: Username for Screeps account. Used if no token is provided.
+    required: false
+  password:
+    description: Password for Screeps account. Used if no token is provided.
+    required: false
+  prefix:
+    description: Directory prefix for file paths.
+    required: false
+  pattern:
+    description: 'Glob pattern to match files (default: *.js).'
+    required: false
+    default: '*.js'
+  branch:
+    description: 'Branch in Screeps to which the code will be uploaded (default: default).'
+    required: false
+    default: default
+runs:
+  using: node12
+  main: index.js