Add libusb to readme and workflow

Signed-off-by: Jacki <jacki@thejackimonster.de>

.github/workflows/linux.yml

@@ -20,7 +20,7 @@ jobs:
         run: |
           sudo apt-get -qq update
           sudo apt-get -qq install ninja-build cmake extra-cmake-modules g++
-          sudo apt-get -qq install libhidapi-dev libjson-c-dev libudev-dev
+          sudo apt-get -qq install libhidapi-dev libjson-c-dev libudev-dev libusb-1.0-0-dev
 
       - name: Build framework
         run: |

README.md

@@ -41,6 +41,7 @@ You can build the binary using `cmake` and there are only three dependencies for
  - [hidapi](https://github.com/libusb/hidapi)
  - [json-c](https://github.com/json-c/json-c)
  - [libudev](https://github.com/mcatalancid/libudev)
+ - [libusb](https://github.com/libusb/libusb)
  - [Fusion](https://github.com/xioTechnologies/Fusion)
 
 Fusion is a sensor fusion library which is integrated as git submodule. So when you checkout the