default or sample ".indicator-chars" file

[Sadi58]

I think it might be useful for many users to include a default/sample ".indicator-chars" file like this:

[characters] âîôûÆæßðÐÑÝÞýþΩΓΔΘΨ
[numbers] ¼½¾⅛⅜⅝⅞¹²Ø
[numbering1] ➊➋➌➍➎➏➐➑➒➓
[numbering2] ①②③④⑤⑥⑦⑧⑨⑩
[math] ×÷≈≃≠≤≥±√‰ⁿ°∞Ω℮∂∆∏∑
[symbols1] “”`´«»[]{}|#·¬§µ†‡•…—¯
[symbols2] ®™℅№�☑☒¥£€$¢
[symbols3] ⊕⊖⊗⊘⊙□☎☞☹☺✂✓✔✗✘❍❏❑
[arrows] ←↑→↓↔↕↗↘↳↵⇐⇒⇔⇤⇥⇦⇧⇨⇩

[tobyS]

Feel free to send a pull request. 👍

[Sadi58]

If I can as a newbie in this area ;-)

[Sadi58]

I hope I've learned and done it well ;-)
Otherwise, please let me know.