📝 add support section

README.md

@@ -22,6 +22,7 @@
 
 - [Design goals](#design-goals)
 - [Sponsors](#sponsors)
+- [Support](#support) ([documentation](https://json.nlohmann.me), [FAQ](http://127.0.0.1:8000/home/faq/), [discussions](https://github.com/nlohmann/json/discussions), [API](https://json.nlohmann.me/api/basic_json/), [bug issues](https://github.com/nlohmann/json/issues))
 - [Examples](#examples)
   - [JSON as first-class data type](#json-as-first-class-data-type)
   - [Serialization / Deserialization](#serialization--deserialization)
@@ -79,6 +80,16 @@ You can sponsor this library at [GitHub Sponsors](https://github.com/sponsors/nl
 
 Thanks everyone!
 
+## Support
+
+:question: If you have a **question**, please check if it is already answered in the [**FAQ**](https://json.nlohmann.me/home/faq/) or the [**Q&A**](https://github.com/nlohmann/json/discussions/categories/q-a) section. If not, please [**ask a new question**](https://github.com/nlohmann/json/discussions/new) there.
+
+:books: If you want to **learn more** about how to use the library, check out the rest of the [**README**](#examples), have a look at [**code examples**](https://github.com/nlohmann/json/tree/develop/doc/examples), or browse through the [**help pages**](https://json.nlohmann.me).
+
+:construction: If you want to understand the **API** better, check out the [**API Reference**](https://json.nlohmann.me/api/basic_json/) or the [**Doxygen documentation**](https://json.nlohmann.me/doxygen/index.html).
+
+:bug: If you found a **bug**, please check the [**FAQ**](https://json.nlohmann.me/home/faq/) if it is a known issue or the result of a design decision. Please also have a look at the [**issue list**](https://github.com/nlohmann/json/issues) before you [**create a new issue**](https://github.com/nlohmann/json/issues/new/choose). Please provide as many information as possible to help us understand and reproduce your issue.
+
 
 ## Examples
 

doc/mkdocs/docs/integration/index.md

@@ -1,4 +1,4 @@
-# Integration
+# Header only
 
 [`json.hpp`](https://github.com/nlohmann/json/blob/develop/single_include/nlohmann/json.hpp) is the single required file in `single_include/nlohmann` or [released here](https://github.com/nlohmann/json/releases). You need to add
 
@@ -11,4 +11,4 @@ using json = nlohmann::json;
 
 to the files you want to process JSON and set the necessary switches to enable C++11 (e.g., `-std=c++11` for GCC and Clang).
 
-You can further use file [`include/nlohmann/json_fwd.hpp`](https://github.com/nlohmann/json/blob/develop/include/nlohmann/json_fwd.hpp) for forward-declarations. The installation of json_fwd.hpp (as part of cmake's install step), can be achieved by setting `-DJSON_MultipleHeaders=ON`.
+You can further use file [`include/nlohmann/json_fwd.hpp`](https://github.com/nlohmann/json/blob/develop/include/nlohmann/json_fwd.hpp) for forward-declarations. The installation of `json_fwd.hpp` (as part of CMake's install step), can be achieved by setting `-DJSON_MultipleHeaders=ON`.

doc/mkdocs/docs/integration/package_managers.md

@@ -24,7 +24,7 @@ brew install nlohmann-json --HEAD
 
 instead.
 
-!!! example
+??? example
 
 	1. Create the following file:
 
@@ -63,7 +63,7 @@ The provided meson.build can also be used as an alternative to cmake for install
 
 If you are using [Conan](https://www.conan.io/) to manage your dependencies, merely add `nlohmann_json/x.y.z` to your `conanfile`'s requires, where `x.y.z` is the release version you want to use. Please file issues [here](https://github.com/conan-io/conan-center-index/issues) if you experience problems with the packages.
 
-!!! example
+??? example
 
 	1. Create the following files:
 
@@ -141,7 +141,7 @@ Please file issues [here](https://github.com/build2-packaging/nlohmann-json) if
 
 If you are using [`wsjcpp`](http://wsjcpp.org), you can use the command `wsjcpp install "https://github.com/nlohmann/json:develop"` to get the latest version. Note you can change the branch ":develop" to an existing tag or another branch.
 
-### CPM.cmake
+## CPM.cmake
 
 If you are using [`CPM.cmake`](https://github.com/TheLartians/CPM.cmake), you can check this [`example`](https://github.com/TheLartians/CPM.cmake/tree/master/examples/json). After [adding CPM script](https://github.com/TheLartians/CPM.cmake#adding-cpm) to your project, implement the following snippet to your CMake:
 

doc/mkdocs/docs/integration/pkg-config.md

@@ -0,0 +1,13 @@
+# Pkg-config
+
+If you are using bare Makefiles, you can use `pkg-config` to generate the include flags that point to where the library is installed:
+
+```sh
+pkg-config nlohmann_json --cflags
+```
+
+Users of the [Meson build system](package_managers.md#meson) will also be able to use a system wide library, which will be found by `pkg-config`:
+
+```meson
+json = dependency('nlohmann_json', required: true)
+```

doc/mkdocs/mkdocs.yml

@@ -69,8 +69,8 @@ nav:
     - integration/index.md
     - integration/cmake.md
     - integration/package_managers.md
-  - Doxygen:
-    - doxygen/index.html
+    - integration/pkg-config.md
+  - Doxygen: doxygen/index.html
   - API:
       - basic_json:
         - api/basic_json/index.md