text cells, cell params, row params

[xingrz]

#2 only addressed a particular case of text cells. This issue targeting a full support for syntax of text cells and cell/row options

See: https://zh.wikipedia.org/wiki/User:Chenxingyu/RDT/syntax

utBHF!@Superhub~~ ~~ ~~{{mono|icon link}}
utSTR~~ ~~ ~~ ~~{{mono|background}}~~bg=#007CC3
*1\*2\*3~~ ~~ ~~{{mono|text cells}}~~{{mono|background, color, bold, alignment}}~~bg=lightblue,color=red,bold=yes,align=right
d*1\d*2~~ ~~ ~~{{mono|narrow (d) text cells}}~~{{mono|background}}~~bg=lightyellow
STRr!~*HA~~ ~~ ~~{{mono|text over icon}}
KRX__bg=green!~*HH__align=l,color=white~~ ~~ ~~{{mono|stacked text and icon, w/ per-layer params}}~~{{mono|background}}~~bg=lightblue
KRX!_bg=green~~ ~~ ~~{{mono|single icon, w/ params}}
*2!_bg=orange~~ ~~ ~~{{mono|single text, w/ params}}~~{{mono|background}}~~bg=lightgreen

• row params
• single icon cell and params
• single text cell and params
• stacked icon cell and params
• stacked text cell and params - Text cells that are not square are not recognized as text cells #2