feat: initial REST endpoints and websocket

/create
/delete
/ws

crates/common/src/lib.rs

@@ -1 +1,19 @@
+use serde::Deserialize;
+use serde::Serialize;
 
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct Achievement {
+    pub goal: String,
+    pub completed: bool,
+    pub uuid: uuid::Uuid,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct CreateAchievement {
+    pub goal: String,
+}
+
+#[derive(Debug, Serialize, Clone, Deserialize)]
+pub struct DeleteAchievement {
+    pub uuid: uuid::Uuid,
+}