Create README.md

scripts/README.md

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+## Teleoperation Device
+- [Realsense T265](https://www.intelrealsense.com/visual-inertial-tracking-case-study/)
+
+## Installation
+Note that from 2.54.X, the codes for T265 are removed, so we need to use the version release v2.53.1 or lower. You can use the below commands for installing the [**Realsense driver**](https://github.com/IntelRealSense/librealsense).
+```bash
+# Dependencies for the Realsense driver
+$ apt-get install libusb-1.0-0-dev xorg-dev libglu1-mesa-dev libglfw3 libglfw3-dev
+
+# Cloning the source code of the Realsense driver
+$ git clone https://github.com/IntelRealSense/librealsense.git
+$ git checkout v2.53.1
+
+# Setting up authorizing USB devices (You may need "sudo" commands.) 
+$ cp config/99-realsense-libusb.rules /etc/udev/rules.d/
+
+# Build and install the driver
+$ mkdir build && cd build
+$ cmake -DBUILD_EXAMPLES=true -DBUILD_GRAPHICAL_EXAMPLES=false -DBUILD_PYTHON_BINDINGS=true -DPYTHON_EXECUTABLE=FILEPATH_TO_PYTHON ../
+$ make -j4
+$ sudo make install
+```
+
+Then, set up the conda environment and install the following dependencies
+```
+$ pip install pyrealsense2==2.53.1.4623
+$ pip install pynput
+```
+
+## Usage
+Run the following script for streaming teleoperation command data.
+```
+$ python real_teleop.py
+```
+#### Keyboard Input
+```
+'r': Start sending teleop commands
+'q' or 'esc': Stop sending teleop commands
+'p': Close gripper
+'o': Open gripper
+```