refactor(engine): move board, board_table, board_templates to boards/

crates/engine/src/boards.rs

@@ -0,0 +1,3 @@
+pub mod board;
+pub mod board_table;
+pub mod board_templates;

crates/engine/src/lib.rs

@@ -14,9 +14,7 @@ pub mod annotations;
 pub mod arc_handles;
 pub mod background;
 pub mod batch;
-pub mod board;
-pub mod board_table;
-pub mod board_templates;
+mod boards;
 pub mod booleans;
 pub mod branches;
 pub mod catalog;
@@ -72,6 +70,9 @@ pub mod token_roles;
 pub mod tools;
 pub mod vectoredit;
 pub mod widgets;
+pub use boards::board;
+pub use boards::board_table;
+pub use boards::board_templates;
 
 pub use batch::{BatchScope, BatchStep};
 pub use cmd::{CommandSpec, all_commands, find_command};