Update cheatsheets

roll

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# roll
+
+> Rolls a user-defined dice sequence.
+> More information: <https://manned.org/roll>.
+
+- Roll 3 6-sided dice and sums the results:
+
+`roll {{3d}}`
+
+- Roll 1 8-sided die, add 3 and sum the results:
+
+`roll {{d8 + 3}}`
+
+- Roll 4 6-sided dice, keep the 3 highest results and sum the results:
+
+`roll {{4d6h3}}`
+
+- Roll 2 12-sided dice 2 times and show every roll:
+
+`roll --verbose {{2{2d12}}}`
+
+- Roll 2 20-sided dice until the result is bigger than 10:
+
+`roll "{{2d20>10}}"`
+
+- Roll 2 5-sided dice 3 times and show the total sum:
+
+`roll --sum-series {{3{2d5}}}`