Add Spine dependency

Add spine-runtimes to dependencies

CMakeLists.txt

@@ -10,6 +10,7 @@ include_directories(
   "${PROJECT_SOURCE_DIR}/dependencies/minIni/dev"
   "${PROJECT_SOURCE_DIR}/dependencies/bdd-for-c"
   "${PROJECT_SOURCE_DIR}/dependencies/portmidi/pm_common"
+  "${PROJECT_SOURCE_DIR}/dependencies/spine-runtimes/spine-c/spine-c/include"
 )
 
 if (WIN32)

dependencies.txt

@@ -1,3 +1,4 @@
 https://github.com/compuphase/minIni
 https://github.com/grassator/bdd-for-c
 https://github.com/PortMidi/portmidi
+https://github.com/EsotericSoftware/spine-runtimes