Add CMake example configuration to README

docs/README.md

@@ -1,5 +1,38 @@
 # CX Documentation
 
+## Example use from CMake
+
+Assuming you are using Clang or a Clang-like compiler, and want to integrate `CX` into an existing codebase, the following should get you started:
+
+```cmake
+project(example LANGUAGES CXX)
+set(CMAKE_CXX_STANDARD 23)
+
+include(FetchContent)
+FetchContent_Declare(cx
+        GIT_REPOSITORY https://github.com/Matthewacon/cx
+        GIT_TAG ff30870f700f36cb3fb4766b17b562b7c02bc5d5
+)
+FetchContent_MakeAvailable(cx)
+
+# Add everything under ./src/*.cpp to the project
+file(GLOB_RECURSE SOURCES CONFIGURE_DEPENDS src/*.cpp)
+add_executable(example ${SOURCES})
+
+target_include_directories(example
+        PRIVATE
+                src
+                ${cx_SOURCE_DIR}/include
+)
+target_compile_definitions(example
+        PRIVATE
+                CX_COMPILER_CLANG CX_COMPILER_CLANG_LIKE
+                CX_STL_SUPPORT CX_LIBC_SUPPORT # Prevent some issues with redefinitions of things like std::align_val_t
+                CX_HEADER_ONLY
+                CX_NO_BELLIGERENT_ERRORS # Prevent CX from redefining exception primitives (try, throw, catch, etc.)
+)
+```
+
 ## Dependencies
  - [mdbook](https://github.com/rust-lang/mdBook)
  - [mdbook-linkcheck](https://github.com/Michael-F-Bryan/mdbook-linkcheck)