feat(backend): Phase 2.5 permission and share models

backend/src/models/mod.rs

@@ -1,9 +1,19 @@
-pub mod user;
-pub mod family;
-pub mod profile;
-pub mod health_data;
-pub mod lab_result;
-pub mod medication;
-pub mod appointment;
+### /home/asoliver/desarrollo/normogen/./backend/src/models/mod.rs
+```rust
+1: pub mod user;
+2: pub mod family;
+3: pub mod profile;
+4: pub mod health_data;
+5: pub mod lab_result;
+6: pub mod medication;
+7: pub mod appointment;
+8: pub mod share;
+9: pub mod refresh_token;
+```
+
+pub mod permission;
 pub mod share;
-pub mod refresh_token;
+
+pub use permission::Permission;
+pub use share::Share;
+pub use share::ShareRepository;