add Windows binary deploy

appveyor.yml

@@ -113,7 +113,7 @@ install:
 ## Build Script ##
 
 cache:
-- 'C:\Users\appveyor\.cargo'
+  - 'C:\Users\appveyor\.cargo'
 
 # 'cargo test' takes care of building for us, so disable Appveyor's build stage. This prevents
 # the "directory does not contain a project or solution file" error.
@@ -124,14 +124,34 @@ build: false
 # environment variable.
 test_script:
   - cargo build --verbose
+  - cargo run -- --help
 
-after_test:
+before_deploy:
   # Generate artifacts for release
   - cargo build --release
   - mkdir staging
   - copy target\release\k-iter.exe staging
+  - copy README.md staging
+  - copy LICENSE staging
   - cd staging
     # release zipfile will look like 'rust-everywhere-v1.2.3-x86_64-pc-windows-msvc'
   - 7z a ../%PROJECT_NAME%-%APPVEYOR_REPO_TAG_NAME%-%TARGET%.zip *
   - appveyor PushArtifact ../%PROJECT_NAME%-%APPVEYOR_REPO_TAG_NAME%-%TARGET%.zip
 
+deploy:
+  description: 'Windows release'
+  # All the zipped artifacts will be deployed
+  artifact: /.*\.zip/
+  # Here's how:
+  # - Go to 'https://github.com/settings/tokens/new' and generate a Token with only the
+  # `public_repo` scope enabled
+  # - Then go to 'https://ci.appveyor.com/tools/encrypt' and enter the newly generated token.
+  # - Enter the "encrypted value" below
+  auth_token:
+    secure: SEzGNAwxjxHrqRdRjtwQi2bBJ84auU9+jIGTxlDbox5MM7DzvO8YznZ41RYjTeav
+  provider: GitHub
+  # deploy when a new tag is pushed and only on the stable channel
+  on:
+    # channel to use to produce the release artifacts
+    CHANNEL: stable
+    appveyor_repo_tag: true