[UNIKRAFT/LIBLIBEVENT PATCH 6/6] README.md: Update with info about building and running

[gaulthier.gain@xxxxxxxxx]

From: gaulthier gain <gaulthier.gain@xxxxxxxxx>

Signed-off-by: gaulthier gain <gaulthier.gain@xxxxxxxxx>
---
 README.md | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 438d109..da6e07b 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,14 @@
-Libevent for Unikraft
-=============================
-
+# Libevent for Unikraft
 This is the port of Libevent for Unikraft as external library.
 
+## Build
+Libevent depends on the following libraries, that need to be added to
+`Makefile` in this order:
+
+* `pthreads`, e.g. `pthread-embedded`
+* network stack, e.g. `lwip`
+* `libc`, e.g. `newlib`
+
+## Further information
 Please refer to the `README.md` as well as the documentation in the
 `doc/` subdirectory of the main unikraft repository.
-- 
2.17.1