Invoking the compile function.

I am going to have to address the lifetime issue of "compiled" duster templates borrowing the input str.

src/error/error.rs

@@ -12,6 +12,7 @@ pub(crate) enum CustomError {
     Serde(serde_json::Error),
     Utf8(Utf8Error),
     FromUtf8(FromUtf8Error),
+    DusterCompile(duster::renderer::CompileError),
 }
 
 impl From<std::io::Error> for CustomError {
@@ -67,3 +68,9 @@ impl From<FromUtf8Error> for CustomError {
         CustomError::FromUtf8(value)
     }
 }
+
+impl From<duster::renderer::CompileError> for CustomError {
+    fn from(value: duster::renderer::CompileError) -> Self {
+        CustomError::DusterCompile(value)
+    }
+}