Include docker in usage example

fixes #9

README.md

@@ -94,9 +94,9 @@ dune build @all
 ## Usage
 
 To see a longer list of example formulas, just run the testsuite:
-
+```
   dune exec cool-testsuite
-
+```
 ### Coalition Logic
 
 Some formulas are
@@ -113,7 +113,11 @@ Some formulas are
 
 So call for example:
 ```bash
-./coalg sat CL  <<< '<{ 1 2 }> C & [{ 1 2 }] ~C'
+./coalg.exe sat CL  <<< '<{ 1 2 }> C & [{ 1 2 }] ~C'
+# or via the static executable
+./cool-static sat CL  <<< '<{ 1 2 }> C & [{ 1 2 }] ~C'
+# or via docker
+echo '<{1 2}> C & [{1 2}] ~C' | docker run -i cs8service/cool:master sat CL
 ```
 
 ## Experimental Results