Add 9 discovered appcasts (#29830)

Casks/bragi-updater.rb

@@ -3,6 +3,8 @@ cask 'bragi-updater' do
   sha256 '305fd036fae31b765455c8dab9176f12b8f98a526d45ead0bb9edc41a2940c86'
 
   url "http://update.bragi.com/bin/Bragi%20Updater-#{version}.dmg"
+  appcast 'http://update.bragi.com/',
+          checkpoint: 'bd743631d7dd53de5b729500723b1b0ce47412b4ee8113dbb29a612362c1d49d'
   name 'Bragi Updater'
   homepage 'http://update.bragi.com/'
 

Casks/fakethunder.rb

@@ -3,6 +3,8 @@ cask 'fakethunder' do
   sha256 '42ce5c0f836a17b18591816359a5a4656a7910ae3a80f83e1d1422dd995fde00'
 
   url "http://dl.martianz.cn/fakethunder/fakeThunder#{version.major}#{version.patch}.zip"
+  appcast 'https://martianz.cn/fakethunder/',
+          checkpoint: 'cf627b0fd5ac2edc0d005e832ac525343d736a018680fd292ccf782bcb3b8e50'
   name 'fakeThunder'
   homepage 'https://martianz.cn/fakethunder/'
 

Casks/folding-at-home.rb

@@ -3,6 +3,8 @@ cask 'folding-at-home' do
   sha256 'c0de525eef498c2c4befc0b719ffd50d8fe4494ced64ee3bc4d60e8b919306a0'
 
   url "https://fah.stanford.edu/file-releases/public/release/fah-installer/osx-10.6.4-64bit/v#{version.sub(%r{\.\d+$}, '')}/fah-installer_#{version}_x86_64.mpkg.zip"
+  appcast "https://folding.stanford.edu/download/releases.py?series=#{version.major_minor}&release=public&platform=MacIntel",
+          checkpoint: '9d2d2b557b3f554559018dd369a04fbaa32a6572ac654ba1f544941252b4f39b'
   name 'Folding@home'
   homepage 'https://folding.stanford.edu/'
 

Casks/isyncr-desktop.rb

@@ -3,6 +3,8 @@ cask 'isyncr-desktop' do
   sha256 'd7f7fb2701f64e904160b9fb71ed334c8b632080528322274d73940606436d32'
 
   url "http://www.jrtstudio.com/files/iSyncr%20Desktop%20#{version}.pkg"
+  appcast 'http://www.jrtstudio.com/files/SlashiSyncr25.js',
+          checkpoint: '79c4376b562e3835b47239d837bfe6676657b38ff60018bbc31e99e07b32950d'
   name 'iSyncr Desktop'
   homepage 'http://www.jrtstudio.com/iSyncr-iTunes-for-Android'
 

Casks/scythebill.rb

@@ -4,6 +4,8 @@ cask 'scythebill' do
 
   # amazonaws.com/downloads.scythebill.com was verified as official when first introduced to the cask
   url "https://s3.amazonaws.com/downloads.scythebill.com/Scythebill-#{version}.dmg"
+  appcast 'http://www.scythebill.com/download.html',
+          checkpoint: '1f5bdc71b76823ce6f6503c101b3e9a519ac21695b1b4436c2ec4dbc860943dc'
   name 'Scythebill'
   homepage 'http://www.scythebill.com/'
 

Casks/skreenics.rb

@@ -4,6 +4,8 @@ cask 'skreenics' do
 
   # googleapis.com/google-code-archive-downloads/v2/code.google.com/skreenics was verified as official when first introduced to the cask
   url "https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/skreenics/Screeniks-#{version}.zip"
+  appcast 'https://code.google.com/archive/p/skreenics/downloads',
+          checkpoint: 'f111415d88453f0ca42faee6f04c03fd4f4b6f79a25e4c444efa9186edf99e1c'
   name 'Skreenics'
   homepage 'https://code.google.com/archive/p/skreenics/'
 

Casks/th-makerx.rb

@@ -3,6 +3,8 @@ cask 'th-makerx' do
   sha256 '6c835eeb64a38f1dedabfe826703e2f4211adbbadcf4179fb2cb7200e149aca2'
 
   url "http://www5.wind.ne.jp/miko/mac_soft/th-maker_x/hqx/Th-MakerX_#{version.no_dots}.zip"
+  appcast 'http://www5.wind.ne.jp/miko/mac_soft/th-maker_x/index-en.html',
+          checkpoint: '8c3f8a4b62bbd6b5ce501adb39802514ff1d6a42524b2da42a48913e9382e04f'
   name 'Th-MakerX'
   homepage 'http://www5.wind.ne.jp/miko/mac_soft/th-maker_x/index-en.html'
 

Casks/transmit.rb

@@ -3,6 +3,8 @@ cask 'transmit' do
   sha256 '9255bff3e337d5c93e867a553d3889cf97aeecae70304f468648384b1990a257'
 
   url "https://www.panic.com/transmit/d/Transmit%20#{version}.zip"
+  appcast 'https://panic.com/transmit/releasenotes.html',
+          checkpoint: '04eef80fc4505527daed3b15ab68abaf14f3a6f77e8fa1e137ff541f0fec7439'
   name 'Transmit'
   homepage 'https://panic.com/transmit/'
 

Casks/veusz.rb

@@ -3,6 +3,8 @@ cask 'veusz' do
   sha256 '38d4144babf3a07845b018af610cdf4b21a951a9b7c200c904509dbbe1d2b7a7'
 
   url "http://download.gna.org/veusz/Binaries-AppleOSX/veusz-#{version}-AppleOSX.dmg"
+  appcast 'http://download.gna.org/veusz/Binaries-AppleOSX/',
+          checkpoint: '7dcefe5737e3e8cbd0134289588e301755e351bc8db898e543c762ab8e01c972'
   name 'Veusz'
   homepage 'http://home.gna.org/veusz/'