Readme update

Author: tgray

README.markdown

@@ -1,6 +1,6 @@
 # contacts #
 
-`contacts` is a command line interface to the Mac OS X Address Book.
+`contacts` is a command line interface to Contacts in macOS.  This used to be the Mac OS X Address Book.
 
 ## Overview ##
 
@@ -32,6 +32,12 @@ Alternately, I'm working on getting this into homebrew, but for now you can inst
 
     brew install https://raw.github.com/tgray/homebrew-tgbrew/master/contacts2.rb
 
+## Dependencies
+
+As of version 0.3.0, `contacts` is written in Swift.  Building is via `swift build`, but it is all managed by the Makefile.  There is one dependency that should be downloaded automatically.  macOS 10.15 is listed as the minimum OS.
+
+It should be known that I do not know what I am doing, so buyer beware.
+
 ## Configuring ##
 
 As of this time, there is no configuration.

Sources/contacts-cli/version.json

@@ -1,4 +1,4 @@
 {
 "version": "0.3.0",
-"build": "093fdf3"
+"build": "3c51a84"
 }