Add manual source

Signed-off-by: trivernis <trivernis@protonmail.com>

src/bibliography/bib_types/manual.rs

@@ -0,0 +1,26 @@
+use crate::bibliography::bib_types::LocalDate;
+
+/// A manual entry source
+#[derive(Clone, Debug)]
+pub struct Manual {
+    pub title: String,
+    pub author: Option<String>,
+    pub organization: Option<String>,
+    pub address: Option<String>,
+    pub edition: Option<String>,
+    pub date: Option<LocalDate>,
+}
+
+impl Manual {
+    /// Creates a new manual source with only the mandatory fields filled
+    pub fn new(title: String) -> Self {
+        Self {
+            title,
+            author: None,
+            organization: None,
+            address: None,
+            edition: None,
+            date: None,
+        }
+    }
+}

src/bibliography/bib_types/mod.rs

@@ -3,6 +3,7 @@ use crate::bibliography::bib_types::book::Book;
 use crate::bibliography::bib_types::booklet::Booklet;
 use crate::bibliography::bib_types::in_book::InBook;
 use crate::bibliography::bib_types::in_collection::InCollection;
+use crate::bibliography::bib_types::manual::Manual;
 use chrono::{Date, Local};
 
 pub mod article;
@@ -10,6 +11,7 @@ pub mod book;
 pub mod booklet;
 pub mod in_book;
 pub mod in_collection;
+pub mod manual;
 
 pub type LocalDate = Date<Local>;
 
@@ -21,7 +23,7 @@ pub enum BibliographyType {
     Booklet(Booklet),
     InBook(InBook),
     InCollection(InCollection),
-    Manual,
+    Manual(Manual),
     Thesis,
     TechReport,
     Unpublished,