added microcontrollers

cpp/CMakeLists.txt

@@ -0,0 +1,63 @@
+
+### 3. CMakeLists.txt: `/cpp/CMakeLists.txt`
+
+```cmake
+cmake_minimum_required(VERSION 3.15)
+project(WitnessSeed CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# Find or fetch dependencies
+include(FetchContent)
+
+# Crow
+FetchContent_Declare(
+    crow
+    GIT_REPOSITORY https://github.com/CrowCpp/Crow.git
+    GIT_TAG master
+)
+FetchContent_MakeAvailable(crow)
+
+# cpp-httplib
+FetchContent_Declare(
+    httplib
+    GIT_REPOSITORY https://github.com/yhirose/cpp-httplib.git
+    GIT_TAG master
+)
+FetchContent_MakeAvailable(httplib)
+
+# nlohmann/json
+FetchContent_Declare(
+    json
+    GIT_REPOSITORY https://github.com/nlohmann/json.git
+    GIT_TAG v3.11.2
+)
+FetchContent_MakeAvailable(json)
+
+# stduuid
+FetchContent_Declare(
+    uuid
+    GIT_REPOSITORY https://github.com/mariusbancila/stduuid.git
+    GIT_TAG master
+)
+FetchContent_MakeAvailable(uuid)
+
+# Add executable
+add_executable(witness_seed witness_seed.cpp)
+
+# Link libraries
+target_link_libraries(witness_seed PRIVATE
+    Crow::Crow
+    httplib
+    nlohmann_json::nlohmann_json
+    stduuid
+)
+
+# Include directories
+target_include_directories(witness_seed PRIVATE
+    ${crow_SOURCE_DIR}/include
+    ${httplib_SOURCE_DIR}
+    ${json_SOURCE_DIR}/include
+    ${uuid_SOURCE_DIR}/include
+)