feat: add to_value implementation for &str

01.workspace/heave/src/imp/mod.rs

@@ -2,5 +2,6 @@ pub mod bool_to_value;
 pub mod entity_to_value;
 pub mod f64_to_value;
 pub mod i64_to_value;
+pub mod str_to_value;
 pub mod string_to_value;
 pub mod u64_to_value;

01.workspace/heave/src/imp/str_to_value.rs

@@ -0,0 +1,10 @@
+use crate::*;
+
+impl ToValue for &str {
+    fn to_value(self) -> Value {
+        Value::Text(String::from(self))
+    }
+}
+
+// #[cfg(test)]
+// mod unit_tests { use super::*; }