document default_node_config options

[leszke]

I added one concise table documenting these options and their default values for each node plugin.

[mongoose-im]

9034.1 / Erlang 23.0.3 / small_tests / ffa8428
Reports root / small

---

9034.2 / Erlang 23.0.3 / internal_mnesia / ffa8428
Reports root/ big
OK: 1502 / Failed: 0 / User-skipped: 161 / Auto-skipped: 0

---

9034.3 / Erlang 23.0.3 / odbc_mssql_mnesia / ffa8428
Reports root/ big
OK: 2770 / Failed: 0 / User-skipped: 229 / Auto-skipped: 0

---

9034.4 / Erlang 23.0.3 / mysql_redis / ffa8428
Reports root/ big
OK: 2765 / Failed: 0 / User-skipped: 234 / Auto-skipped: 0

---

9034.7 / Erlang 23.0.3 / elasticsearch_and_cassandra_mnesia / ffa8428
Reports root/ big
OK: 331 / Failed: 0 / User-skipped: 38 / Auto-skipped: 0

---

9034.5 / Erlang 23.0.3 / riak_mnesia / ffa8428
Reports root/ big
OK: 1628 / Failed: 0 / User-skipped: 181 / Auto-skipped: 0

---

9034.6 / Erlang 23.0.3 / ldap_mnesia / ffa8428
Reports root/ big
OK: 1404 / Failed: 0 / User-skipped: 259 / Auto-skipped: 0

---

9034.9 / Erlang 22.3 / pgsql_mnesia / ffa8428
Reports root/ big / small
OK: 2783 / Failed: 0 / User-skipped: 216 / Auto-skipped: 0

[codecov]

Codecov Report

Merging #3013 (1b22e20) into master (6171e56) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3013      +/-   ##
==========================================
+ Coverage   78.50%   78.53%   +0.02%     
==========================================
  Files         376      376              
  Lines       31502    31502              
==========================================
+ Hits        24732    24739       +7     
+ Misses       6770     6763       -7     

Impacted Files	Coverage Δ
src/cassandra/mongoose_cassandra_worker.erl	73.11% <0.00%> (-1.89%)	⬇️
src/muc_light/mod_muc_light.erl	82.96% <0.00%> (-0.88%)	⬇️
...c/global_distrib/mod_global_distrib_server_mgr.erl	76.83% <0.00%> (-0.57%)	⬇️
src/mod_muc_log.erl	77.72% <0.00%> (ø)
src/pubsub/mod_pubsub.erl	72.00% <0.00%> (+0.05%)	⬆️
src/mod_muc_room.erl	77.54% <0.00%> (+0.29%)	⬆️
src/ejabberd_sm.erl	76.07% <0.00%> (+0.30%)	⬆️
src/mod_bosh_socket.erl	78.88% <0.00%> (+1.24%)	⬆️
src/mod_bosh.erl	93.91% <0.00%> (+2.02%)	⬆️

---

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[janciesla8818]

Looks good. Thanks for the changes.