updated README.txt with detailed instructions

README.txt

@@ -1,4 +1,19 @@
 
 Xcode version [REDACTED] does not implement a built-in script menu.
 
-This suite of scripts is intended to bridge that gap in functionality until it is implemented in Xcode version [REDACTED].
+This suite of scripts is intended to bridge that gap in functionality until it is implemented in Xcode version [REDACTED].  Specifically, it allows users to document their source files using Doxygen.
+
+INSTALLATION:
+(1) Download the files from the repository.
+(2) Move the file Class block - Doxygen to ~/Library/Scripts/Xcode
+(3) Enable the Script menu by in AppleScript Editor -> Preferences
+(4) Move the file Doxygen-class.pl to any location you desire.
+(5) Edit Class block - Doxygen.scpt file to update the following line:
+    set shellScriptPath to "~/Development/Scripts/Doxygen-class.pl"
+
+USAGE:
+(1) Currently the scripts contain only an example to document the class declaration.  More functionality is planned.
+(2) Go to the header file you wish to document.
+(3) Highlight the @interface line
+(4) Select the Class block - Doxygen script from the script menu.
+(5) Fill in the details in the documentation block.