Remove obsolete protocol specification

The one at https://www.github.com/SampleEnvironment/SECoP
is the correct version!

Change-Id: I4f8a9c3b40ea4e1f3ecea8b7b491dd96cb04d009
Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/21437
Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de>
Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>

doc/source/server/configuration.rst

@@ -0,0 +1,3 @@
+Configuration
+=============
+

doc/source/server/index.rst

@@ -0,0 +1,11 @@
+Server documentation
+====================
+
+.. toctree::
+   :maxdepth: 3
+
+   starting
+   configuration
+   modules
+   protocol/index
+

doc/source/server/modules.rst

@@ -0,0 +1,6 @@
+Module base classes
+===================
+
+.. automodule:: secop.modules
+    :members:
+

doc/source/server/protocol/index.rst

@@ -0,0 +1,8 @@
+protocol stack
+==============
+
+.. toctree::
+   :maxdepth: 3
+
+   interface/index
+

doc/source/server/protocol/interface/index.rst

@@ -0,0 +1,9 @@
+Interfaces
+==========
+
+.. toctree::
+   :maxdepth: 3
+
+   tcp
+   zmq
+

doc/source/server/protocol/interface/tcp.rst

@@ -0,0 +1,6 @@
+TCP
+===
+
+.. automodule:: secop.protocol.interface.tcp
+    :members:
+

doc/source/server/protocol/interface/zmq.rst

@@ -0,0 +1,6 @@
+ZMQ
+===
+
+.. automodule:: secop.protocol.interface.zmq
+    :members:
+

doc/source/server/starting.rst

@@ -0,0 +1,21 @@
+Starting
+========
+
+The SECoP server can be started via the ``bin/secop-server`` script.
+
+.. parsed-literal::
+
+    usage: secop-server [-h] [-v | -q] [-d] name
+
+    Manage a SECoP server
+
+    positional arguments:
+      name             Name of the instance. Uses etc/name.cfg for configuration
+
+    optional arguments:
+      -h, --help       show this help message and exit
+      -v, --verbose    Output lots of diagnostic information
+      -q, --quiet      suppress non-error messages
+      -d, --daemonize  Run as daemon
+
+