Create directory structure and initial build system (AI)

src/CMakeLists.txt

@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.16)
+
+add_executable(kernel 
+    kernel.c
+)
+
+# Use our custom linker script
+target_link_options(kernel PRIVATE -T ${CMAKE_CURRENT_SOURCE_DIR}/linker.ld)
+
+target_include_directories(kernel PRIVATE 
+    ${CMAKE_SOURCE_DIR}/vendor
+    ${CMAKE_SOURCE_DIR}/include # If created later
+)