Add lesson 5 materials

lesson5/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.15)
+project(formatter CXX)
+
+find_package(fmt REQUIRED)
+
+add_executable(formatter src/main.cpp)
+target_link_libraries(formatter fmt::fmt)

lesson5/conanfile.py

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+from conan import ConanFile
+from conan.tools.cmake import cmake_layout
+
+class FormatterRecipe(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "CMakeToolchain", "CMakeDeps"
+
+    def requirements(self):
+        self.requires("fmt/11.0.2")
+
+    def build_requirements(self):
+        self.tool_requires("cmake/3.31.5")
+
+    def layout(self):
+        cmake_layout(self)

lesson5/profiles/raspberry

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+[settings]
+os=Linux
+arch=armv7hf
+compiler=gcc
+build_type=Release
+compiler.cppstd=gnu14
+compiler.libcxx=libstdc++11
+compiler.version=12
+[buildenv]
+CC=arm-linux-gnueabihf-gcc-12
+CXX=arm-linux-gnueabihf-g++-12
+LD=arm-linux-gnueabihf-ld

lesson5/src/main.cpp

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+#include <fmt/core.h>
+#include <fmt/color.h>
+
+int main() {
+    fmt::print(fmt::fg(fmt::color::cyan) | fmt::emphasis::bold, 
+               "Conan is a MIT-licensed, Open Source ");
+    fmt::print(fmt::fg(fmt::color::white), 
+               "package manager for C and C++ development\n");
+
+    #ifdef NDEBUG
+    fmt::print(fmt::fg(fmt::color::green) | fmt::emphasis::italic,
+               "Release configuration!\n");
+    #else
+    fmt::print(fmt::fg(fmt::color::yellow) | fmt::emphasis::italic,
+               "Debug configuration!\n");
+    #endif
+
+    return 0;
+}