Merge branch 'main'

src/main/java/com/stock/dao/GenericDAO.java

src/main/java/com/stock/dao/GenericDAOImpl.java

src/main/java/com/stock/dao/UsuarioDAO.java

src/main/java/com/stock/dao/UsuarioDAOImpl.java

src/main/java/com/stock/resources/BaseResource.java

src/main/java/com/stock/resources/CompraResource.java

src/main/java/com/stock/resources/FamProdResource.java

src/main/java/com/stock/resources/InsumoResource.java

src/main/java/com/stock/resources/ItemResource.java

src/main/java/com/stock/resources/MateriaPrimaResource.java

...in/java/com/stock/resources/ProductoLimpiezaResource.java

src/main/java/com/stock/resources/ProductoResource.java

...n/java/com/stock/resources/ProductoTerminadoResource.java

src/main/java/com/stock/resources/RecetaResource.java

src/main/java/com/stock/resources/UsuariosResource.java

src/main/java/com/stock/resources/VentaResource.java

src/main/java/com/stock/servlets/Pruebas.java

src/main/webapp/WEB-INF/web.xml