feat(web): alineación configurable (align) de las columnas del detalle de los documentos

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

apps/web/src/app/shared/grid/lines-grid.css

@@ -36,9 +36,6 @@ th {
   text-align: left;
   white-space: nowrap;
 }
-th.num {
-  text-align: right;
-}
 th.req::after {
   content: ' *';
   color: var(--err);
@@ -77,9 +74,6 @@ td.ro {
   border: 1px solid transparent;
   border-radius: var(--radius);
 }
-.cell.num {
-  text-align: right;
-}
 .cell.mono {
   font-family: ui-monospace, Menlo, Consolas, monospace;
 }