feat: add ci, testing and base structure

CMakeLists.txt

@@ -0,0 +1,27 @@
+cmake_minimum_required(VERSION 4.1)
+project(curtle VERSION 0.1.0 LANGUAGES C)
+
+add_library(curtle
+        src/linear_algebra.c
+)
+
+target_include_directories(curtle
+        PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+        $<INSTALL_INTERFACE:include>
+)
+
+install(TARGETS curtle
+        EXPORT curtleTargets
+        LIBRARY DESTINATION lib
+        ARCHIVE DESTINATION lib
+)
+
+install(DIRECTORY include/ DESTINATION include)
+
+enable_testing()
+
+add_executable(test_linear_algebra tests/test_linear_algebra.c)
+target_link_libraries(test_linear_algebra curtle)
+
+add_test(NAME linear_algebra_test COMMAND test_linear_algebra)