[misc] add mail map
[fcitx] trigger non-modifier on press, single key & modifier on release.

and drop evil double click.
[fcitx] do 2nd/3rd first.
[trans] Update Translation
[pinyin] fix issue of remind of pinyin

1. enter -> cause uncleared raw buffer commit, resolved by clear the
buffer.
2. non-selection key should clear the remind state.
[tools] remove .. useless while(0)
[fcitx] drop enter to do option
[table] fix erbi punc ignore (empty list means ignore everything), clear preedit for by pass key blocker.
[trans] Update Translation
[pinyin] ... copy paste is evil.