Added LEDIO File

src/main/kotlin/com/team4099/robot2023/config/constants/LedConstants.kt

@@ -0,0 +1,17 @@
+package com.team4099.robot2023.config.constants
+
+object LedConstants {
+    // TODO: Review states and change them if needed
+    enum class LEDMode {
+        IDLE,
+        AUTO,
+        INTAKE,
+        OUTTAKE,
+        TELEOP,
+        NOTE,
+        SOURCE,
+        MOVEMENT,
+        SCORE_SPEAKER,
+        SCORE_AMP
+    }
+}

src/main/kotlin/com/team4099/robot2023/subsystems/led/Led.kt

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+package com.team4099.robot2023.subsystems.led
+
+import com.team4099.robot2023.config.constants.LedConstants
+import org.littletonrobotics.junction.Logger
+
+class Led(val io: LedIO) {
+    var inputs = LedIO.LedIOInputs()
+    var state = LedConstants.LEDMode.IDLE
+        set(value) {
+            io.setState(value)
+            field = value
+        }
+
+    init {
+        state = state
+    }
+
+    fun periodic() {
+        io.updateInputs(inputs)
+        Logger.processInputs("LED", inputs)
+        Logger.recordOutput("LED/state", state.name)
+    }
+}

src/main/kotlin/com/team4099/robot2023/subsystems/led/LedIO.kt

@@ -0,0 +1,23 @@
+package com.team4099.robot2023.subsystems.led
+
+import com.team4099.robot2023.config.constants.LedConstants
+import org.littletonrobotics.junction.LogTable
+import org.littletonrobotics.junction.inputs.LoggableInputs
+
+interface LedIO {
+    class LedIOInputs: LoggableInputs {
+        var ledState = LedConstants.LEDMode.IDLE.name
+
+        override fun toLog(table: LogTable?) {
+            table?.put("ledState", ledState)
+        }
+
+        override fun fromLog(table: LogTable?) {
+            table?.getString("ledState", ledState)?.let { ledState = it }
+        }
+    }
+
+    fun setState(newState: LedConstants.LEDMode) {}
+
+    fun updateInputs(inputs: LedIOInputs) {}
+}