Rename library KBlocksCore (will be libKBlocksCore)

This sounds better than having "lib" twice in the name. Also, further
libraries could follow the same pattern, e.g. KBlocksTesting, KBlocksAI,
etc.

CMakeLists.txt

@@ -71,7 +71,7 @@ add_subdirectory(src)
 add_executable(kblocks src/main.cpp)
 
 target_link_libraries(kblocks
-    kblocks_lib
+    KBlocksCore
 )
 
 install(TARGETS kblocks  ${KDE_INSTALL_TARGETS_DEFAULT_ARGS} )

src/CMakeLists.txt

@@ -50,8 +50,8 @@ ecm_qt_declare_logging_category(kblocks_SRCS HEADER kblocks_graphics_debug.h IDE
 
 kconfig_add_kcfg_files(kblocks_SRCS ../settings.kcfgc )
 
-add_library(kblocks_lib STATIC ${kblocks_SRCS})
-target_link_libraries(kblocks_lib
+add_library(KBlocksCore STATIC ${kblocks_SRCS})
+target_link_libraries(KBlocksCore
     KF5KDEGames
     KF5KDEGamesPrivate
     Qt5::Network