Add USB stub, add logging using spdlog

meson.build

@@ -1,10 +1,11 @@
 project('ptprnt', 'cpp',
-    version: '0.1.0',
+    version: 'v0.1.0-'+run_command('git', 'rev-parse',  '--short', 'HEAD').stdout().strip(),
     license: 'GPLv3',
     default_options : ['c_std=c11', 'cpp_std=c++17']
 )
 
 usbdep = dependency('libusb-1.0')
+logdep = dependency('spdlog')
 
 incdir = include_directories('inc')
 
@@ -16,7 +17,9 @@ srcs = [
 ]
 
 executable(
-    'ptprnt', srcs,
+    'ptprnt', 
+    srcs,
     include_directories : incdir,
-    dependencies : usbdep
+    dependencies : [usbdep, logdep],
+    cpp_args : ['-DPROJ_VERSION="'+meson.project_version()+'"']
 )