Migrate Noto examples to downstream repo [#16] (#28)

* Migrate Noto examples to downstream repo [#16]

* Because any fontstack that maps 1 codepoint to 1 glyph is specific to a style and use case, migrate the examples out.
* new repo (protomaps/basemaps-assets) also handles CDN and ZIP distribution of example font.

* fix build

README.md

@@ -4,6 +4,8 @@ The easiest way to turn your custom fonts into files compatible with [MapLibre G
 
 For other prepared fonts, look at [maplibre/demotiles/font](https://github.com/maplibre/demotiles/tree/gh-pages/font) instead.
 
+For an example of using font-maker on the command line to cover as much of Unicode as possible, see the [protomaps/basemaps-assets](https://github.com/protomaps/basemaps-assets) repository.
+
 ## Usage
 
 * Go to the web app at [maplibre.org/font-maker/](https://maplibre.org/font-maker/) and select your file.
@@ -20,6 +22,8 @@ For command line usage and developing, see [CONTRIBUTING.md](CONTRIBUTING.md)
 
 If the MapLibre renderer does not find a matching codepoint in the current font, it will skip display of that character.
 
+See @wipfli's [Text Rendering in MapLibre guide](https://github.com/wipfli/about-text-rendering-in-maplibre) for details on the drawbacks of mapping 1 codepoint to 1 glyph.
+
 ### CJK (Chinese, Japanese, Korean) text
 
 The `font-maker` demo app has [local ideographs](https://maplibre.org/maplibre-gl-js-docs/example/local-ideographs/) enabled which is the default for most MapLibre applications. Generated fonts that include CJK ranges will display system default fonts instead of generated fonts.

main.cpp

@@ -1,5 +1,6 @@
 #define BOOST_NO_CXX98_FUNCTION_BASE
 // workaround unary_function in boost::geometry
+#include <cstdint>
 #include "mapbox/glyph_foundry.hpp"
 #include "mapbox/glyph_foundry_impl.hpp"
 #include <protozero/pbf_writer.hpp>