feat: add handlebars

__template/handlebars-rust/src/main.rs

@@ -0,0 +1,21 @@
+#[macro_use] extern crate serde_json;
+
+use std::error::Error;
+use handlebars::Handlebars;
+
+fn main() -> Result<(), Box<dyn Error>> {
+    let mut reg = Handlebars::new();
+    // render without register
+    println!(
+        "{}",
+        reg.render_template("Hello {{name}}", &json!({"name": "foo"}))?
+    );
+
+    // register template using given name
+    reg.register_template_string("tpl_1", "Good afternoon, {{name}}")?;
+    println!(
+        "{}",
+        reg.render("tpl_1", &json!({"name": "foo"}))?
+    );
+    Ok(())
+}