update .travis.yml

Author: StanDimitroff

.travis.yml

@@ -4,12 +4,15 @@
 
 osx_image: xcode11.3
 language: swift
-xcode_project: DocumentScanner.xcodeproj
+xcode_project: Example/DocumentScanner.xcworkspace
 xcode_scheme: DocumentScanner-Example
 xcode_sdk: 
  - iphoneos13.2
 
-script:
-- xcodebuild -project xcode_project -scheme xcode_scheme -sdk iphonesimulator ONLY_ACTIVE_ARCH=NO | xcpretty -c
+before_install:
+ - gem install cocoapods
+ - pod lib lint
+ - pod install --project-directory=Example
 
-- pod lib lint
+script:
+ - xcodebuild -project xcode_project -scheme xcode_scheme -sdk iphonesimulator ONLY_ACTIVE_ARCH=NO | xcpretty -c