feat: implement db provider

CMakeLists.txt

@@ -3,12 +3,15 @@ project(magic_scrolls)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
+find_package(SQLite3 REQUIRED)
+
 file(GLOB_RECURSE sources
   "${CMAKE_SOURCE_DIR}/src/*.cpp")
 
 add_executable(magic_scrolls ${sources})
 
 target_include_directories(magic_scrolls PUBLIC "${CMAKE_SOURCE_DIR}/include")
+target_link_libraries(magic_scrolls PRIVATE SQLite::SQLite3)
 
 # -------
 enable_testing()
@@ -17,10 +20,23 @@ add_executable(event_bus_test
   tests/engine/event_bus_test.cpp
   src/engine/core/event_bus.cpp
 )
+add_executable(db_provider_test
+  tests/engine/db_provider_test.cpp
+  src/engine/core/engine.cpp
+  src/engine/core/engine_db_provider.cpp
+)
 
 target_include_directories(event_bus_test PUBLIC "${CMAKE_SOURCE_DIR}/include")
+target_link_libraries(event_bus_test PRIVATE SQLite::SQLite3)
+
+target_include_directories(db_provider_test PUBLIC "${CMAKE_SOURCE_DIR}/include")
+target_link_libraries(db_provider_test PRIVATE SQLite::SQLite3)
 
 add_test(
   NAME "Event Bus"
   COMMAND event_bus_test
 )
+add_test(
+  NAME "Database Provider"
+  COMMAND db_provider_test
+)