[AppVeyor] Add Aria2.

appveyor.yml

@@ -45,6 +45,7 @@ build_script:
   - appveyor\install_icu.cmd
   - appveyor\install_libzim.cmd
   - appveyor\install_pugixml.cmd
+  - appveyor\install_aria2.cmd
   - appveyor\install_kiwix-lib.cmd
   - appveyor\install_kiwix-desktop.cmd
 

appveyor/install_aria2.cmd

@@ -0,0 +1,4 @@
+REM ========================================================
+REM Install aria2
+curl -fsSL -O https://github.com/aria2/aria2/releases/download/release-1.34.0/aria2-1.34.0-win-64bit-build1.zip || exit /b 1
+7z e aria2-1.34.0-win-64bit-build1.zip -o%EXTRA_DIR% aria2-1.34.0-win-64bit-build1\aria2c.exe || exit /b 1

appveyor/package_kiwix-desktop.sh

@@ -12,6 +12,7 @@ mkdir -p NIGHTLY_KIWIX_ARCHIVES_DIR
 cp /c/projects/kiwix-build/kiwix-desktop/Release/kiwix-desktop.exe $KIWIX_DIR
 /c/Qt/5.11/msvc2017_64/bin/windeployqt --compiler-runtime $KIWIX_DIR
 
+cp $MINGW64_EXTRA_DIR/aria2c.exe $KIWIX_DIR
 cp $MINGW64_EXTRA_DIR/bin/*.dll $KIWIX_DIR
 
 /c/Program\ Files\ \(x86\)/Windows\ Kits/10/bin/x64/signtool.exe sign -f appveyor/kiwix.pfx -p $win_certificate_password -t http://timestamp.verisign.com/scripts/timestamp.dll -d "Kiwix-desktop application" $KIWIX_DIR/kiwix-desktop.exe