Add module workflow hello world example.

python/examples/wf_module_helloworld.py

@@ -0,0 +1,36 @@
+"""Module Workflow hello world."""
+import json
+
+from binaryninja.log import Logger
+from binaryninja.workflow import Workflow, Activity, AnalysisContext
+
+log = Logger(0, 'WorkflowHelloWorld')
+
+
+def do_action(context: AnalysisContext):
+    """Do stuff in main workflow action."""
+    bv = context.view
+    log.session_id = bv.file.session_id
+    bv.add_tag(bv.entry_point, 'Needs Analysis', 'Hello World!')
+    log.log_info('Added Hello World Tag')
+
+
+wf = Workflow('core.module.metaAnalysis').clone('plugin.module.HelloWorld')
+
+wf.register_activity(Activity(
+    configuration=json.dumps({
+        'name': 'analysis.helloworld',
+        'title': 'Tag Entry Point',
+        'description': 'Tag the entry point with "Hello World!".',
+        'eligibility': {
+            'runOnce': True
+        },
+        'dependencies': {
+            'downstream': ['core.module.update']
+        }
+    }),
+    action=do_action
+))
+
+wf.insert('core.module.finishUpdate', ['analysis.helloworld'])
+wf.register()