created subclass shapes in types module

doc/example/report.md

@@ -1,8 +1,8 @@
 ![memory map diagram](report.png)
 |name|origin|size|remaining|collisions
 |:-|:-|:-|:-|:-|
-|<span style='color:mediumaquamarine'>kernel</span>|0x10|0x50|-0x10|{'rootfs': '0x50'}|
-|<span style='color:chartreuse'>uboot</span>|0xD0|0x50|-0x10|{'uboot-scr': '0x110'}|
-|<span style='color:skyblue'>rootfs</span>|0x50|0x30|0x10|{'kernel': '0x50'}|
-|<span style='color:lightgreen'>dtb</span>|0x90|0x30|0x10|{}|
-|<span style='color:grey'>uboot-scr</span>|0x110|0x30|0x50|{'uboot': '0x110'}|
+|<span style='color:darkblue'>kernel</span>|0x10|0x50|-0x10|{'rootfs': '0x50'}|
+|<span style='color:rebeccapurple'>uboot</span>|0xD0|0x50|-0x10|{'uboot-scr': '0x110'}|
+|<span style='color:slategray'>rootfs</span>|0x50|0x30|0x10|{'kernel': '0x50'}|
+|<span style='color:mediumaquamarine'>dtb</span>|0x90|0x30|0x10|{}|
+|<span style='color:deepskyblue'>uboot-scr</span>|0x110|0x30|0x50|{'uboot': '0x110'}|

mm/types.py

@@ -6,8 +6,7 @@
 
 
 @typeguard.typechecked
-class MemoryRegion:
-
+class Region():
     _remaining_colours: Dict = PIL.ImageColor.colormap.copy()
     """Copy of the PIL colour string map, we remove colours until all are gone.
     Therefore avoiding random picking of duplicate colours"""
@@ -128,3 +127,13 @@ def calc_nearest_region(self, region_list: List['MemoryRegion']):
                 self.remain = hex(mm.diagram.MemoryMap.height - this_region_end)
         elif self.collisons and not self.remain:
             self.remain = hex(mm.diagram.MemoryMap.height - this_region_end)
+
+
+@typeguard.typechecked
+class MemoryRegion(Region):
+    pass
+
+
+@typeguard.typechecked
+class SkippableRegion(Region):
+    pass