rearrange dependency list

[skip ci]

dependencies.md

@@ -1,6 +1,6 @@
 # *ZDoom binary dependencies for macOS
 
-**Dependencies stored in GZDoom repository**
+## Dependencies stored in GZDoom repository
 
 |Name|Links|Homebrew Formula|Repository Path|
 |---|---|---|---|
@@ -17,7 +17,7 @@
 |xBRZ|[Homepage](https://sourceforge.net/projects/xbrz/)||[xbr](https://github.com/coelckers/gzdoom/tree/master/src/gamedata/textures/hires/xbr)|
 |zlib|[Homepage](https://zlib.net/)|[zlib.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/zlib.rb)|[zlib](https://github.com/coelckers/gzdoom/tree/master/libraries/zlib)|
 
-**External dependencies**
+## Primary dependencies: GZDoom and Raze
 
 |Name|Links|Homebrew Formula|Pulled by|Notes|
 |---|---|---|---|---|
@@ -36,6 +36,7 @@
 |libOPNMIDI|[Homepage](https://github.com/Wohlstand/libOPNMIDI/)||ZMusic||
 |libsndfile|[Homepage](http://www.mega-nerd.com/libsndfile/) / [Download](https://github.com/erikd/libsndfile/releases)|[libsndfile.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/libsndfile.rb)|*ZDoom, FluidSynth||
 |libvorbis|[Homepage](https://xiph.org/vorbis/) / [Download](https://github.com/xiph/vorbis/releases)|[libvorbis.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/libvorbis.rb)|libsndfile||
+|libvpx|[Homepage](https://www.webmproject.org/code/)|[libvpx.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/libvpx.rb)|Raze||
 |MoltenVK|[Homepage](https://moltengl.com/moltenvk/) / [Download](https://github.com/KhronosGroup/MoltenVK/releases)|[molten-vk.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/molten-vk.rb)|*ZDoom||
 |mpg123|[Homepage](https://www.mpg123.de/)|[mpg123.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/mpg123.rb)|*ZDoom||
 |OpenAL Soft|[Homepage](https://openal-soft.org/) / [Download](https://github.com/kcat/openal-soft/releases)|[openal-soft.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/openal-soft.rb)|*ZDoom||
@@ -49,24 +50,18 @@
 
 Note: OPL implementations used by ZMusic are not listed
 
-**Other dependencies**
+## Secondary dependencies: other targets
 
 |Name|Links|Homebrew Formula|Pulled by|Notes|
 |---|---|---|---|---|
 |freetype|[Homepage](https://www.freetype.org/)|[freetype.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/freetype.rb)|SDL2_ttf||
-|GNU Make|[Homepage](https://www.gnu.org/software/make/)|[make.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/make.rb)|||
 |libmikmod|[Homepage](https://modplug-xmms.sourceforge.io/)|[libmikmod.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/libmikmod.rb)|SDL2_mixer||
 |libmodplug|[Homepage](https://mikmod.sourceforge.io/)|[libmodplug.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/libmodplug.rb)|SDL2_mixer||
 |libpng|[Homepage](http://www.libpng.org/pub/png/libpng.html)|[libpng.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/libpng.rb)|SDL2_image||
 |libsamplerate|[Homepage](http://www.mega-nerd.com/SRC/)|[libsamplerate.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/libsamplerate.rb)|Chocolate Doom||
 |libsodium|[Homepage](https://libsodium.org/)|[libsodium.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/libsodium.rb)|DevilutionX||
-|libvpx|[Homepage](https://www.webmproject.org/code/)|[libvpx.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/libvpx.rb)|Raze||
 |mad|[Homepage](https://www.underbit.com/products/mad/)|[mad.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/mad.rb)|PrBoom+||
-|meson|[Homepage](https://mesonbuild.com/)|[meson.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/meson.rb)|GLib|build only|
-|nasm|[Homepage](https://www.nasm.us/)|[nasm.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/nasm.rb)|libFLAC|build only|
-|ninja|[Homepage](https://ninja-build.org/)|[ninja.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/ninja.rb)|GLib|build only|
 |opusfile|[Homepage](https://www.opus-codec.org/)|[opusfile.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/opusfile.rb)|SDL2_mixer||
-|pkg-config|[Homepage](https://freedesktop.org/wiki/Software/pkg-config/)|[pkg-config.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/pkg-config.rb)|||
 |PortMIDI|[Homepage](http://portmedia.sourceforge.net/portmidi/)|[portmidi.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/portmidi.rb)|PrBoom+||
 |SDL2|[Homepage](https://www.libsdl.org/)|[sdl2.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/sdl2.rb)|PrBoom+, DevilutionX, *ZDoom SDL backend||
 |SDL2_image|[Homepage](https://www.libsdl.org/projects/SDL_image/)|[sdl2_image.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/sdl2_image.rb)|PrBoom+||
@@ -74,4 +69,14 @@ Note: OPL implementations used by ZMusic are not listed
 |SDL2_net|[Homepage](https://www.libsdl.org/projects/SDL_net/)|[sdl2_net.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/sdl2_net.rb)|PrBoom+||
 |SDL2_ttf|[Homepage](https://www.libsdl.org/projects/SDL_ttf/)|[sdl2_ttf.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/sdl2_ttf.rb)|DevilutionX||
 |webp|[Homepage](https://developers.google.com/speed/webp/)|[webp.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/webp.rb)|SDL2_image||
+
+## Tool dependencies
+
+|Name|Links|Homebrew Formula|Pulled by|Notes|
+|---|---|---|---|---|
+|GNU Make|[Homepage](https://www.gnu.org/software/make/)|[make.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/make.rb)|||
+|meson|[Homepage](https://mesonbuild.com/)|[meson.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/meson.rb)|GLib|build only|
+|nasm|[Homepage](https://www.nasm.us/)|[nasm.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/nasm.rb)|libFLAC|build only|
+|ninja|[Homepage](https://ninja-build.org/)|[ninja.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/ninja.rb)|GLib|build only|
+|pkg-config|[Homepage](https://freedesktop.org/wiki/Software/pkg-config/)|[pkg-config.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/pkg-config.rb)|||
 |yasm|[Homepage](https://yasm.tortall.net/)|[yasm.rb](https://github.com/Homebrew/homebrew-core/blob/master/Formula/yasm.rb)|libvpx|build only|