pkg/obs: more details in the readme

pkg/kamailio/obs/README

@@ -1,6 +1,16 @@
-This is RPM packaging scripts for openSUSE Build Service https://build.opensuse.org/
-Scitps build RPM pckages for following dists:
-1) CentOS 6 and 7
-2) RHEL 6 and 7
-3) Fedora 25 adn 26
-4) openSUSE 42.2 and 42.3
+# RPM Specs For OpenSuse Build Service (OBS) #
+
+Here are the RPM packaging specs for openSUSE Build Service:
+
+  * https://build.opensuse.org/
+
+It builds RPM packages for following distributions:
+
+  * CentOS 6 and 7
+  * RHEL 6 and 7
+  * Fedora 25 adn 26
+  * openSUSE 42.2 and 42.3
+
+Kamailio's RPMs bulding projects for various versions can be found at:
+
+  * https://build.opensuse.org/project/subprojects/home:kamailio