Rewrite to rust init

src/serializers/author_annotation.rs

@@ -0,0 +1,24 @@
+use serde::Serialize;
+
+use crate::prisma::author_annotation;
+
+#[derive(Serialize)]
+pub struct AuthorAnnotation {
+    pub id: i32,
+    pub title: String,
+    pub text: String,
+    pub file: Option<String>
+}
+
+impl From<author_annotation::Data> for AuthorAnnotation {
+    fn from(val: author_annotation::Data) -> Self {
+        let author_annotation::Data { id, title, text, file, .. } = val;
+
+        AuthorAnnotation {
+            id,
+            title,
+            text,
+            file
+        }
+    }
+}