Rewrite scanner to use -tools (#6601)

Author: DavidSouther

.gitignore

@@ -1,3 +1,4 @@
+*.egg-info
 *.exe
 *.swp
 .*~
@@ -32,4 +33,4 @@ rust_dev_preview
 kotlin/services/**/build/
 kotlin/services/**/gradle/
 kotlin/services/**/gradlew
-kotlin/services/**/gradlew.bat
+kotlin/services/**/gradlew.bat

.tools/readmes/__init__.py

@@ -7,6 +7,8 @@
 categories = {
     "hello": "Hello",
     "scenarios": "Scenarios",
+    "actions": "Api",
+    "cross": "Cross-service examples",
 }
 entities = {
     "&AWS;": "AWS",