Add configuration for semaphore signals and implement railway signal control

double_ir.py

@@ -0,0 +1,14 @@
+from machine import Pin
+
+
+class DoubleIr:
+    def __init__(self, id: int, pin: Pin):
+        self.id = id
+        self.pin = pin
+        self.last_state = pin.value()
+
+    def check(self):
+        val = self.pin.value()
+        if val != self.last_state:
+            self.last_state = val
+            print(f"EVENT IK_MODULE {self.id} {val}")