clean up readme

.Rprofile

@@ -0,0 +1,18 @@
+# set default chunk options
+knitr::opts_chunk$set(
+  echo = TRUE,
+  comment = "",
+  collapse = FALSE,
+  prompt = FALSE
+)
+
+local({
+  hook_old <- knitr::knit_hooks$get("output")  # save the old hook
+  knitr::knit_hooks$set(output = function(x, options) {
+    regex = "(?:(?:\\x{001b}\\[)|\\x{009b})(?:(?:[0-9]{1,3})?(?:(?:;[0-9]{0,3})*)?[A-M|f-m])|\\x{001b}[A-M]"
+    out <- gsub(regex, "", x, perl = TRUE, useBytes = TRUE)
+    hook_old(out, options)
+  })
+})
+
+Sys.setenv(NXF_ANSI_LOG = "FALSE")