Update READMES to use MD and link between each other

README.md

@@ -3,20 +3,27 @@ SlapOS Core
 
 The core of SlapOS - universal grid management tool based on *Python* and *Buildout*.
 
+
 Core components
+---------------
 
-* SLAP Library
-* SLAP Grid
-* SLAP Format
-* SLAP Proxy
+* [slapos/README.slap.md][slapos/slap] python library implementing communication protocol between master and nodes via SLAP Protocol
+* [slapos/README.grid.md][slapos/grid] tool for software management on nodes
+* [slapos/README.format.md][slapos/format] tool for OS preparation to serve as node (does not actually format any hard drives, no worries)
+* [slapos/README.proxy.md][slapos/proxy] lightweight local-only implementation of SlapOS Master with limited functionality
 
-Detailed documentation at <https://slaposcore.readthedocs.io/en/latest/>  
-Commercial deployment <https://slapos.vifib.com>  
 
+ERP5 Modules
+------------
+
+* _master/product_ Zope Product for extending ERP5 to become fully-fledged SlapOS Master
+* _master/bt5_ ERP5 Business Templates for SlapOS subscription management
+* _master/tests_ Test Runner for tests contained within Business Templates
 
-SLAP Format
+
+Other links
 -----------
 
-Physically prepares computer according to `/etc/opt/slapos/slapos.cfg` and response from the *SlapOS Master*.
+Detailed documentation at <https://slaposcore.readthedocs.io/en/latest/>
 
-Format creates *Partitions* inside `/srv/slapgrid/` with names `slappart<N>` and assign each partition to different user `slapuser<N>`. All users are part of the same group `slapsoft` so they can share some resources.
+Commercial deployment <https://slapos.vifib.com>
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