added homework and atachments

src/homework.rs

@@ -0,0 +1,31 @@
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
+use crate::{Attachment, StdType};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "PascalCase")]
+pub struct Homework {
+    pub homeworks: Vec<HomeworkListItem>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "PascalCase")]
+pub struct HomeworkListItem {
+    #[serde(rename = "ID")]
+    pub id: String,
+    pub date_start: DateTime<Utc>,
+    pub date_end: DateTime<Utc>,
+    pub content: String,
+    pub notice: String,
+    pub done: bool,
+    pub closed: bool,
+    pub electronic: bool,
+    pub hour: u8,
+    pub class: StdType,
+    pub group: StdType,
+    pub subject: StdType,
+    pub teacher: StdType,
+    pub attachments: Vec<Attachment>,
+    pub finished: bool,
+}