hmm.. I added some resources but I can't seem to get ahold of them: 
```
platform.add_resources = ([
    Display7SegResource("seven_segment", 0, 
        a="3", b="4", c="18", d="19",
        e="20", f="2", g="1", dp="17", 
        conn=("bank",0), invert = True, 
        # attrs = Attrs(IO_STANDARD = "SB_LVCMOS")
        ),

    Resource("anodes",0,
        Pins("21 22 5 6", conn=("bank", 0), 
        dir="o", invert = False,)
        # Subsignal("seg_0", Pins("G3", dir="o")),
        # Subsignal("seg_1", Pins("G1", dir="o")),
        # Subsignal("seg_2", Pins("H1",  dir="o")),
        # Subsignal("seg_3", Pins("H3",  dir="o")),
        # attrs = Attrs(IO_STANDARD = "SB_LVCMOS")
        ),
])
``` but when building shows: 
`amaranth.build.res.ResourceError: Resource seven_segment#0 does not exist`