Publish Nerbus source snapshot and build documentation

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.20)
+project(NerbusWallet VERSION 0.2.1 LANGUAGES CXX)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+find_package(Qt6 6.2 REQUIRED COMPONENTS Widgets Network Svg)
+if(WIN32)
+  add_library(sodium SHARED IMPORTED)
+  set_target_properties(sodium PROPERTIES
+    IMPORTED_IMPLIB "${CMAKE_CURRENT_SOURCE_DIR}/vendor/sodium/lib/libsodium.lib"
+    IMPORTED_LOCATION "${CMAKE_CURRENT_SOURCE_DIR}/vendor/sodium/bin/libsodium.dll"
+    INTERFACE_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_SOURCE_DIR}/vendor/sodium/include")
+else()
+  find_package(PkgConfig REQUIRED)
+  pkg_check_modules(SODIUM REQUIRED IMPORTED_TARGET libsodium)
+  add_library(sodium ALIAS PkgConfig::SODIUM)
+endif()
+qt_add_executable(nerbus-qt WIN32 wallet_app.cpp wallet_store.cpp wallet_store.h)
+target_link_libraries(nerbus-qt PRIVATE Qt6::Widgets Qt6::Network Qt6::Svg sodium)
+if(MSVC)
+  target_compile_options(nerbus-qt PRIVATE /utf-8 /W4)
+endif()
+if(WIN32)
+  add_custom_command(TARGET nerbus-qt POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different $<TARGET_FILE:sodium> $<TARGET_FILE_DIR:nerbus-qt>)
+endif()
+install(TARGETS nerbus-qt RUNTIME DESTINATION .)