msys2 support

scripts/setup_msys2.cmd

@@ -0,0 +1,6 @@
+@echo off
+
+pushd "%~dp0%"
+  call mingw64 -no-start ./setup_msys2.sh
+  call mingw64 -no-start ./setup_msys2.sh
+popd

scripts/setup_msys2.sh

@@ -1,10 +1,26 @@
+#!/bin/bash
+
 pacman -Sqyuu --noconfirm &&
-  pacman -S --noconfirm msys2-keyring &&
+  pacman -S --noconfirm --needed --disable-download-timeout msys2-keyring &&
   pacman -S --noconfirm --needed --disable-download-timeout \
+    mingw64/mingw-w64-x86_64-boost \
+    mingw64/mingw-w64-x86_64-clang-tools-extra \
     mingw64/mingw-w64-x86_64-cmake \
+    mingw64/mingw-w64-x86_64-curl \
+    mingw64/mingw-w64-x86_64-fmt \
     mingw64/mingw-w64-x86_64-gcc \
     mingw64/mingw-w64-x86_64-gdb \
+    mingw64/mingw-w64-x86_64-gtest \
+    mingw64/mingw-w64-x86_64-gtkmm3 \
+    mingw64/mingw-w64-x86_64-libsodium \
     mingw64/mingw-w64-x86_64-make \
+    mingw64/mingw-w64-x86_64-openssl \
+    mingw64/mingw-w64-x86_64-sfml \
+    mingw64/mingw-w64-x86_64-spdlog \
+    mingw64/mingw-w64-x86_64-sqlite3 \
     mingw64/mingw-w64-x86_64-toolchain \
+    mingw64/mingw-w64-x86_64-vlc \
+    mingw64/mingw-w64-x86_64-wxwidgets3.2-msw \
+    mingw64/mingw-w64-x86_64-zlib \
     msys/git \
     make