vifm: Improve file preview for tabular data

Slightly improved display of csv files and added tsv to same preview.
Added nice previews for json and excel files.

terminal/.config/vifm/vifmrc

@@ -215,7 +215,7 @@ set viewcolumns=-{name}..,6{}.
 
 " Filter-out build and temporary files
 "
-" filter! /^.*\.(lo|o|d|class|py[co])$|.*~$/
+filter! /^.*\.(lo|o|d|class|py[co])$|.*~$/
 
 " }}}
 " Mappings {{{
@@ -471,13 +471,17 @@ filetype *.sqlite,*.db
         \ sqlite3 %f,
 
 " tabular data
-filextype *.csv
+filextype *.csv, *.xlsx, *.tsv, *.json
         \ {Open with visidata}
         \ vd %f,
-fileviewer *.csv
-        \ tidy-viewer
+fileviewer *.tsv,*.csv
+        \ tidy-viewer --color-always --title %c
         " \ xsv sample 100 %c | xsv table -c8 -p1 -w1,
         " \ {cat %c | sed -e 's/,,/, ,/g' | column -s, -t | less -#5 -N -S; }
+fileviewer *.xlsx
+        \ xlsx2csv %c | tidy-viewer --color-always --title %c
+fileviewer *.json
+        \ jq '.' --color-output %c
 
 " Mindmap
 filextype *.vym