feat: Add CI/CD workflows for testing and publishing SAL crates

- Add a workflow for testing the publishing setup
- Add a workflow for publishing SAL crates to crates.io
- Improve crate metadata and version management
- Add optional dependencies for modularity
- Improve documentation for publishing and usage

herodo/README.md

@@ -15,14 +15,32 @@ Herodo is a command-line utility that executes Rhai scripts with full access to
 
 ## Installation
 
-Build the herodo binary:
+### Build and Install
 
 ```bash
-cd herodo
-cargo build --release
+git clone https://github.com/PlanetFirst/sal.git
+cd sal
+./build_herodo.sh
 ```
 
-The executable will be available at `target/release/herodo`.
+This script will:
+- Build herodo in debug mode
+- Install it to `~/hero/bin/herodo` (non-root) or `/usr/local/bin/herodo` (root)
+- Make it available in your PATH
+
+**Note**: If using the non-root installation, make sure `~/hero/bin` is in your PATH:
+```bash
+export PATH="$HOME/hero/bin:$PATH"
+```
+
+### Install from crates.io (Coming Soon)
+
+```bash
+# This will be available once herodo is published to crates.io
+cargo install herodo
+```
+
+**Note**: `herodo` is not yet published to crates.io due to publishing rate limits. It will be available soon.
 
 ## Usage