Switch over to using the render context in render calls.

src/context/citation.rs

@@ -1,8 +1,6 @@
-use std::path::Path;
-
 use serde::Serialize;
 
-use crate::config::Config;
+use super::render_context::RenderContext;
 use crate::error::CustomError;
 use crate::intermediate::ICitation;