Refactor BLE plugin structure and rename to 'ble' for consistency across platforms

linux/CMakeLists.txt

@@ -1,13 +1,13 @@
 cmake_minimum_required(VERSION 3.10)
-set(PROJECT_NAME "ble_relay_host")
+set(PROJECT_NAME "ble")
 project(${PROJECT_NAME} LANGUAGES CXX)
 
 cmake_policy(VERSION 3.10...3.24)
 
-set(PLUGIN_NAME "ble_relay_host_plugin")
+set(PLUGIN_NAME "ble_plugin")
 
 list(APPEND PLUGIN_SOURCES
-  "ble_relay_host_plugin.cc"
+  "ble_plugin.cc"
 )
 
 add_library(${PLUGIN_NAME} SHARED
@@ -21,7 +21,7 @@ target_include_directories(${PLUGIN_NAME} INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}
 target_link_libraries(${PLUGIN_NAME} PRIVATE flutter)
 target_link_libraries(${PLUGIN_NAME} PRIVATE PkgConfig::GTK)
 
-set(ble_relay_host_bundled_libraries
+set(ble_bundled_libraries
   ""
   PARENT_SCOPE
 )