Drop slopdashes and add container build

src/Main.hs

@@ -171,8 +171,8 @@ main = do
       in compileFile compileInputFile compileOutFile bundleExportName
     Serve { host = hostStr, port = portNum } -> do
       putStrLn $ "Starting Arborix bundle server on " ++ hostStr ++ ":" ++ show portNum
-      putStrLn $ "  GET /bundle/hash/:hash   — primary endpoint"
-      putStrLn $ "  GET /bundle/name/:name   — convenience endpoint"
+      putStrLn $ "  GET /bundle/hash/:hash   -- primary endpoint"
+      putStrLn $ "  GET /bundle/name/:name   -- convenience endpoint"
       putStrLn $ "  Content-Type: application/vnd.arborix.bundle"
       runServer hostStr portNum