Reorganize files, Part 1 (#119)

* delete obselete files

* move files

* build

* update cmake

* update cmake

* fix build

* reorg examples

* update cmake for example and test

host/host_tensor/CMakeLists.txt → library/src/host_tensor/CMakeLists.txt

+## host_tensor
 include_directories(BEFORE
-    ${PROJECT_SOURCE_DIR}/composable_kernel/include
-    ${PROJECT_SOURCE_DIR}/composable_kernel/include/utility
-    include
+    ${PROJECT_SOURCE_DIR}/include/ck
+    ${PROJECT_SOURCE_DIR}/include/ck/utility
+    ${PROJECT_SOURCE_DIR}/library/include/ck/library/host_tensor
 )
 
 set(HOST_TENSOR_SOURCE
-    src/host_tensor.cpp;
-    src/device.cpp;
+    device.cpp
+    host_tensor.cpp
 )
 
-## the library target
 add_library(host_tensor SHARED ${HOST_TENSOR_SOURCE})
-
-target_include_directories(host_tensor SYSTEM PUBLIC $<BUILD_INTERFACE:${HALF_INCLUDE_DIR}>)
-
-target_link_libraries(host_tensor PRIVATE hip::device)
-target_link_libraries(host_tensor INTERFACE hip::host)
-
 target_compile_features(host_tensor PUBLIC)
 set_target_properties(host_tensor PROPERTIES POSITION_INDEPENDENT_CODE ON)
-
+target_include_directories(host_tensor SYSTEM PUBLIC $<BUILD_INTERFACE:${HALF_INCLUDE_DIR}>)
 install(TARGETS host_tensor LIBRARY DESTINATION lib)
+
+clang_tidy_check(host_tensor)