Add comments to script

Author: ChrisixFlash

versioning-script.sh

@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 
+# Files that contain our PSPDFKit version string.
 file1="README.md"
 file2="build.cake"
 file3="PSPDFKit.iOS.UI/Properties/AssemblyInfo.cs"
@@ -10,6 +11,7 @@ read -p "Enter the search string: " search
 
 read -p "Enter the replace string: " replace
 
+# Replace old PSPDFKit version string with new one for each file.
 sed -i '' "s/$search/$replace/g" $file1
 sed -i '' "s/$search/$replace/g" $file2
 sed -i '' "s/$search/$replace/g" $file3