Expand the examples and recreate the screenshot

Author: t-b

README.md

@@ -40,4 +40,6 @@ this as being inspired by the trailing return types from C++11.
 
 - No parameter types shown for macros
 
+#### Screenshot
+
 ![Screenshot](screenshot-panel.png)

examples-input-for-screenshots.ipf

@@ -1,5 +1,12 @@
 #pragma rtGlobals=3		// Use modern global access method and strict wave access.
 
+Menu "Don't look"
+	"First entry", print "Hi"
+End
+
+Constant myVariable = 4711
+StrConstant myString = "Hi there!"
+
 Function/S normalFunction()
 End
 
@@ -15,3 +22,25 @@ End
 Macro MacroWithParameter(p1)
 	variable p1
 EndMacro
+
+Structure testStruct
+	variable var
+EndStructure
+
+Function MyNormalFunction(s)
+	 STRUCT testStruct &s
+End
+
+Function MyWindowHook(s)
+	 STRUCT WMWinHookStruct &s
+
+	 return 0
+End
+
+/// @brief This task just burns your CPU
+///
+/// @param s background task structure
+Function TestTask(s)
+	 STRUCT WMBackgroundStruct &s
+	 return 0
+End