Update README with correct input filepath (#92)

The filepath for the input file was outdated. This updates it to match the current structure.

Author: vamo89

crew-ai/README.md

@@ -68,7 +68,7 @@ Give it a company and a project description — the agents will collaborate to p
 
 From strategy to storytelling, the team handles it all — autonomously.
 
-You can **customize the tasks** to use your own domain and project description — just edit the inputs in `src/marketing_posts/config/inputs.yaml`.
+You can **customize the tasks** to use your own domain and project description — just edit the inputs in `src/marketing_posts/config/input.yaml`.
 
 # 👥 Virtual Team Structure