table: fix outdated docs and example on styling table (jedib0t#176)

* fix: outdated docs and example on styling table

added an example to style 1st columns using the new style `IndexCoumn` approach.

* table: simplify doc

Co-authored-by: Mohammed Sohail <[email protected]>

table: fix column wrapping logic; fixes jedib0t#170 (jedib0t#171)

progress: make message rendering work 100% (alt fix for jedib0t#164) (j…

…edib0t#165)

s/master/main/g

progress: fix incorrect mutex usages (jedib0t#154)

progress: plug possible race conditions (jedib0t#144)

progress: ShowETA() for individual trackers (jedib0t#140)

table: adjust title width to table width (jedib0t#133)

Authored-by: FoamCactus <[email protected]>

table: suppress empty columns if asked to; fixes jedib0t#124 (jedib0t…

…#126)