Fix formatting of README.md for web.

README.md

@@ -10,28 +10,46 @@ The following CPUs are either supported or planned to be supported:
 
 CPU    Status
 ---    ------
+
 1802   planned
+
 6502   done
+
 65816  planned
+
 65C02  planned
+
 6800   done
+
 6809   planned
+
 6811   planned
+
 8008   planned
+
 8051   planned
+
 F8     planned
+
 Z80    planned
 
+
+
 usage: udis.py [-h] [-c CPU] [-n] [-a ADDRESS] [-i] filename
 
 positional arguments:
+
   filename              Binary file to disassemble
 
 optional arguments:
+
   -h, --help            show this help message and exit
+
   -c CPU, --cpu CPU     Specify CPU type (defaults to 6502)
-  -n, --nolist          Don't list instruction bytes (make output suitable for
-                        assembler)
+
+  -n, --nolist          Don't list instruction bytes (make output suitable for assembler)
+
   -a ADDRESS, --address ADDRESS
                         Specify decimal starting address (defaults to 0)
+
   -i, --invalid         Show invalid opcodes as ??? rather than constants