test(sandbox): add repository testing

README.md

@@ -38,6 +38,16 @@ Will be used in [minauthator](https://forge.lefuturiste.fr/mbess/minauthator).
 
     cargo run --bin sqlx-generator -- ./path/to/project generate-create-migrations > migrations/all.sql
 
+    sqlx-generator \
+        -m path/to/models \
+        gen-repositories \
+        -o path/to/repositories
+    
+    sqlx-generator \
+        -m path/to/models \
+        gen-migrations \
+        -o path/to/migrations/all.sql
+
 ### Generate repositories code
 
 not implemented yet