Added CMake FetchContent information

Author: proydakov

README.md

@@ -115,6 +115,18 @@ depends: [
 vcpkg install tomlplusplus
 ```
 
+### CMake FetchContent
+```
+include(FetchContent)
+FetchContent_Declare(
+    tomlplusplus
+    GIT_REPOSITORY https://github.com/marzer/tomlplusplus.git
+    GIT_TAG        0fcbfbe655917738c39321fcbcbdc7b048a40e33
+)
+FetchContent_MakeAvailable(tomlplusplus)
+```
+> ℹ️ _[What is FetchContent?](https://cmake.org/cmake/help/latest/module/FetchContent.html)_
+
 ### Other environments and package managers
 `toml++` is a fairly new project and I'm not up-to-speed with all of the available packaging and integration options
 in the modern C++ ecosystem. I'm also a cmake novice, for better or worse. If there's an integration option missing be

docs/pages/main_page.dox

@@ -466,6 +466,21 @@
 ///
 //////////////////////////////////
 ///
+/// \subsection mainpage-adding-lib-cmake-fetch-content CMake FetchContent
+/// \bash
+/// include(FetchContent)
+/// FetchContent_Declare(
+///     tomlplusplus
+///     GIT_REPOSITORY https://github.com/marzer/tomlplusplus.git
+///     GIT_TAG        0fcbfbe655917738c39321fcbcbdc7b048a40e33
+/// )
+/// FetchContent_MakeAvailable(tomlplusplus)
+/// \ebash
+///
+/// \see [What is FetchContent?](https://cmake.org/cmake/help/latest/module/FetchContent.html)
+///
+//////////////////////////////////
+///
 /// \subsection mainpage-adding-lib-other Other environments and package managers
 /// toml++ is a fairly new project and I'm not up-to-speed with all of the available packaging and integration options
 /// in the modern C++ ecosystem. I'm also a cmake novice, for better or worse. If there's an integration option missing