feat: Add multiple binary outputs

shard.yml

@@ -9,6 +9,15 @@ description: |
   Command line utils for docmachine
 
 targets:
+  # Validate input(s) & detect errors
+  docmachine-lint:
+    main: src/lint/main.cr
+  docmachine-plan:
+    main: src/planr/main.cr
+  # write content based on plan
+  docmachine-write:
+    main: src/write/main.cr
+  # builder
   docmachine:
     main: src/main.cr