feat: Add sal-text crate

- Add a new crate `sal-text` for text manipulation utilities.
- Integrate `sal-text` into the main `sal` crate.
- Remove the previous `text` module from `sal`.  This improves
  organization and allows for independent development of the
  `sal-text` library.

text/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "sal-text"
+version = "0.1.0"
+edition = "2021"
+authors = ["PlanetFirst <info@incubaid.com>"]
+description = "SAL Text - Text processing and manipulation utilities with regex, templating, and normalization"
+repository = "https://git.threefold.info/herocode/sal"
+license = "Apache-2.0"
+
+[dependencies]
+# Regex support for text replacement
+regex = "1.8.1"
+# Template engine for text rendering
+tera = "1.19.0"
+# Serialization support for templates
+serde = { version = "1.0", features = ["derive"] }
+# Rhai scripting support
+rhai = { version = "1.12.0", features = ["sync"] }
+
+[dev-dependencies]
+# For temporary files in tests
+tempfile = "3.5"