use file struct

src/template.rs

@@ -54,7 +54,13 @@ pub struct Metadata {
     pub syntax_highlight: bool,
 }
 
-pub fn read_md(filename: &str) -> (Metadata, String) {
+#[derive(Content)]
+pub struct File {
+    pub metadata: Metadata,
+    pub data: String,
+}
+
+pub fn read_md(filename: &str) -> File {
     // Read markdown file
     let mut text = std::fs::read_to_string(filename).unwrap();
 
@@ -106,12 +112,12 @@ pub fn read_md(filename: &str) -> (Metadata, String) {
         _ => false,
     });
 
-    (
-        Metadata {
+    File {
+        metadata: Metadata {
             info: metadata,
             mermaid: presence_mermaid,
             syntax_highlight: presence_code,
         },
-        html,
-    )
+        data: html,
+    }
 }