added database models and models for continous use. Also changed get all paths according to that. Nothing is testet yet!

src-tauri/src/models/db_models/node_db.rs

@@ -0,0 +1,7 @@
+#[derive(Debug, sqlx::FromRow)]
+pub struct NodeDb {
+    pub id: u32,
+    pub title: String,
+    pub description: String,
+    pub path_id: String
+}