blocks: Add in and double ternary blocks.

Author: laurensvalk

CHANGELOG.md

@@ -9,6 +9,8 @@
 - Added `pybricks.pupdevices.Remote.disconnect` method.
 - Added blocks for `up`, `ready` and `stationary` for IMUs.
 - Added `last` and `chr` parameters to `read_input_byte` and add blocks.
+- Added block for the `in` operation.
+- Add double ternary block.
 
 ## 3.5.0b1 - 2024-03-11