Resolve "Kamera - Erstellung und Handling"

Closes #35 (closed)

modules/camera/config/GLM.cmake

+
+find_package(glm QUIET)
+
+if (glm_FOUND)
+    list(APPEND vkcv_camera_includes ${GLM_INCLUDE_DIRS})
+    list(APPEND vkcv_camera_libraries glm)
+else()
+    if (EXISTS "${vkcv_camera_lib_path}/glm")
+        add_subdirectory(${vkcv_camera_lib}/glm)
+        
+        list(APPEND vkcv_camera_libraries glm)
+    else()
+        message(WARNING "GLM is required..! Update the submodules!")
+    endif ()
+endif ()