documented rom entry structure in rom content

src/rom_content.a65

@@ -7,6 +7,17 @@ rom_content = $4800
 ; define the number of available entries
 number_of_entries .byt $08
 
+; entry srtucture
+; number of segments - byte
+;
+; repeat for each segment:
+;   length in bytes - word
+;   address to load at - word
+;   address of content in rom - word
+;   description for loading menu - (byte) length of the string, string bytes
+;
+; jump address - word
+
 ; start of configuration section
 /*
  Integer BASIC