diff --git a/.DS_Store b/.DS_Store
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diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,87 @@
+# Xcode
+#
+# gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
+
+## Build generated
+build/
+DerivedData/
+
+## Various settings
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata/
+
+## Other
+*.moved-aside
+*.xcuserstate
+
+## Obj-C/Swift specific
+*.hmap
+*.ipa
+
+## Playgrounds
+timeline.xctimeline
+playground.xcworkspace
+
+# Swift Package Manager
+#
+# Add this line if you want to avoid checking in source code from Swift Package Manager dependencies.
+# Packages/
+.build/
+
+# CocoaPods
+#
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
+#
+# Pods/
+
+# Carthage
+#
+# Add this line if you want to avoid checking in source code from Carthage dependencies.
+# Carthage/Checkouts
+
+Carthage/Build
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
+# screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://github.com/fastlane/fastlane/blob/master/fastlane/docs/Gitignore.md
+
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots
+fastlane/test_output
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon

+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
diff --git a/Project 1 - Tap Counter/.DS_Store b/Project 1 - Tap Counter/.DS_Store
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diff --git a/Project 11 - Pass Data to Another View/.DS_Store b/Project 11 - Pass Data to Another View/.DS_Store
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diff --git a/Project 3 - TipCalculator/.DS_Store b/Project 3 - TipCalculator/.DS_Store
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diff --git a/Project 4 - Simple Stopwatch/.DS_Store b/Project 4 - Simple Stopwatch/.DS_Store
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diff --git a/Project 5 - ChangeFont/.DS_Store b/Project 5 - ChangeFont/.DS_Store
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diff --git a/Project 6 - TableViews/.DS_Store b/Project 6 - TableViews/.DS_Store
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diff --git a/Project 7 - CollectionViews/.DS_Store b/Project 7 - CollectionViews/.DS_Store
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diff --git a/Project 9 - PlayYoutubeVideo/.DS_Store b/Project 9 - PlayYoutubeVideo/.DS_Store
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diff --git a/images/.DS_Store b/images/.DS_Store
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