Add license and attribution for used code.

robot/LICENSE

@@ -0,0 +1,32 @@
+MIT License
+
+Copyright (c) 2026 Matt Spencer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+---
+
+Third-party code
+----------------
+
+raspbot_v2_interface/Raspbot_Lib/
+  Source: Yahboom RASPBOT-V2 resources (https://www.yahboom.net/study/RASPBOT-V2)
+  Copyright: Yahboom Technology Co., Ltd.
+  License: No explicit open-source license provided by the upstream source.
+           Included here for hardware compatibility; all credit to Yahboom.

robot/raspbot_v2_interface/Raspbot_Lib/NOTICE

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+This directory contains the Yahboom RASPBOT-V2 hardware interface library.
+
+  Source:    https://www.yahboom.net/study/RASPBOT-V2
+  Copyright: Yahboom Technology Co., Ltd.
+
+The library was taken directly from the resources published by Yahboom for the
+RASPBOT-V2 platform and is included here unmodified to provide I²C access to
+the robot's motors and servos.
+
+No explicit open-source license has been provided by Yahboom for this material.
+All intellectual property rights remain with Yahboom Technology Co., Ltd.

robot/raspbot_v2_interface/Raspbot_Lib/Raspbot_Lib.py

@@ -1,5 +1,12 @@
 #!/usr/bin/env python3
 # coding: utf-8
+#
+# Source: Yahboom RASPBOT-V2 hardware library
+# Origin: https://www.yahboom.net/study/RASPBOT-V2
+# Copyright: Yahboom Technology Co., Ltd.
+# No explicit open-source license provided by the upstream source.
+# Included here unmodified for hardware compatibility.
+#
 import smbus
 import time,random
 import math