add cert generator scripts, arrange scripts dir

scripts/certs/gen-ca.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+cd "$DIR"
+
+rm -f ca.crt
+rm -f ca.key
+
+if [ -z "$1" ]; then
+	read -s pass
+else
+	pass=$1
+fi
+
+subj="/C=BG/ST=Bulgaria/L=Sofia/O=S.M.I.R.K.Y./CN=localhost"
+openssl genrsa -des3 -out ca.key -passout pass:$pass 4096
+openssl req -new -x509 -days 365 -key ca.key -subj $subj -passin pass:$pass -out ca.crt -passin pass:$pass
+