AppVeyor: update config

appveyor.yml

@@ -1,6 +1,9 @@
 version: 1.0.{build}-{branch}
 pull_requests:
   do_not_increment_build_number: true
+branches:
+  only:
+  - master
 skip_branch_with_pr: true
 image: Visual Studio 2015
 configuration: Release
@@ -25,7 +28,7 @@ deploy:
 - provider: GitHub
   tag: $(appveyor_repo_tag_name)
   release: ArchiSteamFarm V$(appveyor_repo_tag_name)
-  description: '**NOTICE:** Pre-releases are experimental versions that often contain unpatched bugs, work-in-progress features or rewritten implementations. If you don''t consider yourself advanced user, please download **[latest stable release](https://github.com/JustArchi/ArchiSteamFarm/releases/latest)** instead. Pre-release versions are dedicated to users who know how to report bugs, deal with issues and give feedback - no technical support will be given. Check out ASF **[release cycle](https://github.com/JustArchi/ArchiSteamFarm/wiki/Release-cycle)** if you''d like to learn more.\n\n---\n\nThis is automated AppVeyor GitHub deployment, human-readable changelog should be available soon. In the meantime please refer to **[GitHub commits](https://github.com/JustArchi/ArchiSteamFarm/commits)**.\n\n---\n\nASF is available for free. If you''re grateful for what we''re doing, please consider donating. Developing ASF requires massive amount of time and knowledge, especially when it comes to Steam (and its problems). Even 1$ is highly appreciated and shows that you care!\n\n [![Paypal.me Donate](https://img.shields.io/badge/Paypal.me-donate-yellow.svg)](https://www.paypal.me/JustArchi/1usd) [![Paypal Donate](https://img.shields.io/badge/Paypal-donate-yellow.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=HD2P2P3WGS5Y4) [![Bitcoin Donate](https://img.shields.io/badge/Bitcoin-donate-yellow.svg)](https://blockchain.info/address/1Archi6M1r5b41Rvn1SY2FfJAzsrEUT7aT) [![Steam Donate](https://img.shields.io/badge/Steam-donate-yellow.svg)](https://steamcommunity.com/tradeoffer/new/?partner=46697991&token=0ix2Ruv_)'
+  description: '**NOTICE:** Pre-releases are experimental versions that often contain unpatched bugs, work-in-progress features or rewritten implementations. If you don''t consider yourself advanced user, please download **[latest stable release](https://github.com/JustArchi/ArchiSteamFarm/releases/latest)** instead. Pre-release versions are dedicated to users who know how to report bugs, deal with issues and give feedback - no technical support will be given. Check out ASF **[release cycle](https://github.com/JustArchi/ArchiSteamFarm/wiki/Release-cycle)** if you''d like to learn more.\n\n---\n\nThis is automated AppVeyor GitHub deployment, human-readable changelog should be available soon. In the meantime please refer to **[GitHub commits](https://github.com/JustArchi/ArchiSteamFarm/commits/$(appveyor_repo_tag_name))**.\n\n---\n\nASF is available for free. If you''re grateful for what we''re doing, please consider donating. Developing ASF requires massive amount of time and knowledge, especially when it comes to Steam (and its problems). Even 1$ is highly appreciated and shows that you care!\n\n [![Paypal.me Donate](https://img.shields.io/badge/Paypal.me-donate-yellow.svg)](https://www.paypal.me/JustArchi/1usd) [![Paypal Donate](https://img.shields.io/badge/Paypal-donate-yellow.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=HD2P2P3WGS5Y4) [![Bitcoin Donate](https://img.shields.io/badge/Bitcoin-donate-yellow.svg)](https://blockchain.info/address/1Archi6M1r5b41Rvn1SY2FfJAzsrEUT7aT) [![Steam Donate](https://img.shields.io/badge/Steam-donate-yellow.svg)](https://steamcommunity.com/tradeoffer/new/?partner=46697991&token=0ix2Ruv_)'
   auth_token:
     secure: QC5gIDMvSpd43EG6qW8d1E3ZHiVU4aR7pbKQonXstjj/JtAABf5S1IbtoY4OsnOR
   artifact: /.*/