create/update 'HowTo - termpad - pipe to curl.md' file

HowTo - termpad - pipe to curl.md

@@ -0,0 +1,7 @@
+# Termpad - pipe to curl
+
+If you don't have [httpie](https://httpie.io/) installed and have to rely on `curl` to post data to [termpad](https://github.com/SpyrosRoum/termpad):
+
+```bash
+history | tail -100 | curl --data-binary @- termpad.example.com
+```