Enhance README with CLI utility features

Added information about the CLI utility features

Author: nicholasjpaterno

README.md

@@ -35,6 +35,8 @@ A markdown navigator with tree-based structural navigation. Like `tree`, but int
 - **Multiple formats** - Plain text, JSON output
 - **Statistics** - Count headings by level
 
+**treemd** is incredibly powerful as a CLI utility. Using the `--tree` visualizations with `--section` enables rapid piecewise consumption of even the largest `.md` files.
+
 ## Installation
 
 ### From crates.io
@@ -212,8 +214,6 @@ Artifacts will be in `target/release-artifacts/`.
 
 **Linux & Windows:** Binaries are provided as-is. These are standard CLI tools that work on all systems.
 
-For details on setting up code signing for other platforms or local builds, see `PLATFORM_SIGNING.md`.
-
 ## Contributing
 
 Contributions are welcome! Please feel free to submit a Pull Request.