Plugin tor_: fix perlpod formatting

plugins/tor/tor_

@@ -1,58 +1,74 @@
 #!/usr/bin/python3
 '''
 =head1 NAME
+
 tor_
 
 =head1 DESCRIPTION
+
 Wildcard plugin that gathers some metrics from the Tor daemon
-https://github.com/daftaupe/munin-tor
+(https://github.com/daftaupe/munin-tor).
 
 Derived from https://github.com/mweinelt/munin-tor
 
-This plugin requires the stem library : https://stem.torproject.org/
-This plugin requires the GeoIP library : https://www.maxmind.com for the countries plugin
+This plugin requires the stem library (https://stem.torproject.org/).
 
-Available plugins :
-tor_bandwidth    # Graph the glabal bandwidth
-tor_connections  # Graph the number of connexions
-tor_countries    # Graph the countries represented our connexions
-tor_dormant      # Graph if tor is dormant or not
-tor_flags        # Graph the different flags of the relay
-tor_routers      # Graph the number of routers seen by the relay
-tor_traffic      # Graph the read/written traffic
+This plugin requires the GeoIP library (https://www.maxmind.com) for the countries plugin.
+
+Available plugins:
+
+=over 4
+
+=item tor_bandwidth   - graph the glabal bandwidth
+
+=item tor_connections - graph the number of connexions
+
+=item tor_countries   - graph the countries represented our connexions
+
+=item tor_dormant     - graph if tor is dormant or not
+
+=item tor_flags       - graph the different flags of the relay
+
+=item tor_routers     - graph the number of routers seen by the relay
+
+=item tor_traffic     - graph the read/written traffic
+
+=back
 
 =head2 CONFIGURATION
-The default configuration is below
-[tor_*]
-user toranon # or any other user/group that is running tor
-group toranon
-env.torcachefile munin_tor_country_stats.json
-env.torconnectmethod port
-env.torgeoippath /usr/share/GeoIP/GeoIP.dat
-env.tormaxcountries 15
-env.torport 9051
-env.torsocket /var/run/tor/control
 
-To make it connect through a socket modify this way
-[tor_*]
-user toranon # or any other user/group that is running tor
-group toranon
-env.torcachefile munin_tor_country_stats.json
-env.torconnectmethod socket
-env.torgeoippath /usr/share/GeoIP/GeoIP.dat
-env.tormaxcountries 15
-env.torport 9051
-env.torsocket /var/run/tor/control
+The default configuration is:
+
+ [tor_*]
+ user toranon # or any other user/group that is running tor
+ group toranon
+ env.torcachefile munin_tor_country_stats.json
+ env.torconnectmethod port
+ env.torgeoippath /usr/share/GeoIP/GeoIP.dat
+ env.tormaxcountries 15
+ env.torport 9051
+ env.torsocket /var/run/tor/control
+
+To make it connect through a socket, you simply need to change C<torconnectmethod>:
+
+ env.torconnectmethod socket
 
 =head1 COPYRIGHT
+
 MIT License
 
+SPDX-License-Identifier: MIT
+
 =head1 AUTHOR
+
 Pierre-Alain TORET <pierre-alain.toret@protonmail.com>
 
 =head1 MAGIC MARKERS
-  #%# family=auto
-  #%# capabilities=autoconf suggest
+
+ #%# family=auto
+ #%# capabilities=autoconf suggest
+
+=cut
 '''
 
 import collections