add todos to readme

readme.md

@@ -4,6 +4,19 @@ run tests:
 python3 -m unittest -v test
 ```
 
+run app:
+
+```
+python3 dmxfun.py
+```
+
 ## todo
 
-* Deal with smaller images (e.g. 10x10 to 12x1   2)
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+* Deal with smaller images (e.g. snakify is broken with 10x10)
+* Clean shutdown when ctrl-c
+* Movement! Do some animations!
+* How to deploy as a service
+* Make adding new images easier
+  * scanning directory?
+  * config file?
+  * web frontend?
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