Adding message module (#12)

Reviewed-on: phoenix/textsender-models#12

src/lib.rs

@@ -1,4 +1,5 @@
 pub mod config;
 pub mod contact;
+pub mod message;
 pub mod token;
 pub mod user;

src/message/mod.rs

@@ -0,0 +1,8 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, Default, Deserialize, Serialize)]
+pub struct Message {
+    pub id: uuid::Uuid,
+    pub content: String,
+    pub user_id: uuid::Uuid,
+}