implement parsing args in blocky CLI tool

thirdparty/CMakeLists.txt

@@ -1,6 +1,20 @@
 include(FetchContent)
 
 
+# ---- args ----
+# repository: https://github.com/Taywee/args
+# license   : MIT
+
+FetchContent_Declare(
+  args
+  URL "https://github.com/Taywee/args/archive/refs/tags/6.3.0.zip"
+)
+
+set(ARGS_BUILD_EXAMPLE   OFF)
+set(ARGS_BUILD_UNITTESTS OFF)
+FetchContent_MakeAvailable(args)
+
+
 # ---- GLEW ----
 # repository: https://github.com/Perlmint/glew-cmake
 # license   :  Modified BSD License, the Mesa 3-D License (MIT) and the Khronos License (MIT).
@@ -11,7 +25,7 @@ FetchContent_Declare(
 )
 FetchContent_MakeAvailable(glew)
 
-if (KINGTAKER_STATIC)
+if (BLOCKY_STATIC)
   add_library(glew ALIAS libglew_static)
 else()
   add_library(glew ALIAS libglew_shared)