Add sbws man

docs/source/man_sbws.rst

+Simple Bandwidth Scanner
+========================
+
+SYNOPSIS
+--------
+
+sbws [**Optional arguments**] [**Positional arguments**]
+
+sbws [**-h**] [**--version**] [**--log-level** {**debug,info,warning,error,critical**}] [**-d** DIRECTORY] {**cleanup,scanner,generate,init,stats**}
+
+DESCRIPTION
+-----------
+
+Tor bandwidth scanner that generates bandwidth measurements files to be read by
+the Directory Authorities.
+
+OPTIONS
+-------
+
+Positional arguments
+~~~~~~~~~~~~~~~~~~~~
+
+{**cleanup,scanner,generate,init,stats**}
+
+Optional arguments
+~~~~~~~~~~~~~~~~~~
+
+-h, --help
+   Show help message and exit.
+
+--version
+   sbws version
+
+--log-level {debug,info,warning,error,critical}
+   Override the sbws log level (default: None)
+
+-d DIRECTORY, --directory DIRECTORY
+   Path to the sbws home directory (default: $HOME/.sbws)
+
+EXAMPLES
+--------
+
+sbws -c ~/.sbwsrc scanner
+    Run the scanner using the configuration file in ~/.sbwsrc
+
+sbws --log-level debug generate
+    Generate v3bw file in the default v3bw directory (~/.sbws/v3bw)
+
+sbws cleanup
+    Cleanup datadir and v3bw files older than XX in the default v3bw directory (~/.sbws/)
+
+FILES
+-----
+
+$HOME/.sbws.ini
+   Default location for the sbws user configuration file.
+
+$HOME/.sbws
+   Default sbws home, where it stores measurement data files,
+   bandwidth list files and tor process data.
+
+SEE ALSO
+---------
+
+**sbws.ini** (5), https://sbws.readthedocs.org.
+
+BUGS
+----
+
+Please report bugs at https://trac.torproject.org/.
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