docs: Build the pySim.esim library documentation

... we added doc-strings but missed to actually render them in the
manual so far.

Change-Id: Iff2baca86376e68898a8af0252906f802ffa79eb

docs/index.rst

@@ -43,6 +43,7 @@ pySim consists of several parts:
    legacy
    smpp2sim
    library
+   library-esim
    osmo-smdpp
    sim-rest
    suci-keytool

docs/library-esim.rst

@@ -0,0 +1,95 @@
+pySim eSIM libraries
+====================
+
+The pySim eSIM libraries implement a variety of functionality related to the GSMA eSIM universe,
+including the various interfaces of SGP.21 + SGP.22, as well as Interoperable Profile decioding,
+validation, personalization and encoding.
+
+.. automodule:: pySim.esim
+   :members:
+
+
+GSMA SGP.21/22 Remote SIM Provisioning (RSP) - High Level
+---------------------------------------------------------
+
+pySim.esim.rsp
+~~~~~~~~~~~~~~
+
+.. automodule:: pySim.esim.rsp
+   :members:
+
+pySim.esim.es2p
+~~~~~~~~~~~~~~~
+
+.. automodule:: pySim.esim.es2p
+   :members:
+
+
+pySim.esim.es8p
+~~~~~~~~~~~~~~~
+
+.. automodule:: pySim.esim.es8p
+   :members:
+
+
+pySim.esim.es9p
+~~~~~~~~~~~~~~~
+
+.. automodule:: pySim.esim.es9p
+   :members:
+
+
+GSMA SGP.21/22 Remote SIM Provisioning (RSP) - Low Level
+--------------------------------------------------------
+
+pySim.esim.bsp
+~~~~~~~~~~~~~~
+
+.. automodule:: pySim.esim.bsp
+   :members:
+
+pySim.esim.http_json_api
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. automodule:: pySim.esim.http_json_api
+   :members:
+
+pySim.esim.x509_cert
+~~~~~~~~~~~~~~~~~~~~
+
+.. automodule:: pySim.esim.x509_cert
+   :members:
+
+SIMalliance / TCA Interoperable Profile
+---------------------------------------
+
+
+pySim.esim.saip
+~~~~~~~~~~~~~~~
+.. automodule:: pySim.esim.saip
+   :members:
+
+
+pySim.esim.saip.oid
+~~~~~~~~~~~~~~~~~~~
+
+.. automodule:: pySim.esim.saip.oid
+   :members:
+
+pySim.esim.saip.personalization
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. automodule:: pySim.esim.saip.personalization
+   :members:
+
+pySim.esim.saip.templates
+~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. automodule:: pySim.esim.saip.templates
+   :members:
+
+pySim.esim.saip.validation
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. automodule:: pySim.esim.saip.validation
+   :members: