vim_cheatsheet: Add `folding commands` section
vim_cheatsheet: Add `folding commands` section

To improve debugging, we should be able to see across forest and
not just across trees. The folding of functions would help to achieve
the desired behaviour. The vim_cheatsheet should add a section of commands
associated with folding on vim.

* added section for folding commands

urohit011/zeroclickinfo-goodies,abinabrahamanchery/zeroclickinfo-goodies,charles-l/zeroclickinfo-goodies,tagawa/zeroclickinfo-goodies,urohit011/zeroclickinfo-goodies,abinabrahamanchery/zeroclickinfo-goodies,ankushg07/zeroclickinfo-goodies,RomainLG/zeroclickinfo-goodies,MrChrisW/zeroclickinfo-goodies,lights0123/zeroclickinfo-goodies,salmanfarisvp/zeroclickinfo-goodies,jgkamat/zeroclickinfo-goodies,ankushg07/zeroclickinfo-goodies,ankushg07/zeroclickinfo-goodies,synbit/zeroclickinfo-goodies,seisfeld/zeroclickinfo-goodies,gautamkrishnar/zeroclickinfo-goodies,ankushg07/zeroclickinfo-goodies,marianosimone/zeroclickinfo-goodies,lights0123/zeroclickinfo-goodies,pratts/zeroclickinfo-goodies,akanshgulati/zeroclickinfo-goodies,shubhamrajput/zeroclickinfo-goodies,synbit/zeroclickinfo-goodies,MrChrisW/zeroclickinfo-goodies,shubhamrajput/zeroclickinfo-goodies,gautamkrishnar/zeroclickinfo-goodies,lights0123/zeroclickinfo-goodies,tagawa/zeroclickinfo-goodies,mr-karan/zeroclickinfo-goodies,salmanfarisvp/zeroclickinfo-goodies,seisfeld/zeroclickinfo-goodies,lights0123/zeroclickinfo-goodies,samskeller/zeroclickinfo-goodies,MrChrisW/zeroclickinfo-goodies,salmanfarisvp/zeroclickinfo-goodies,akanshgulati/zeroclickinfo-goodies,gautamkrishnar/zeroclickinfo-goodies,RomainLG/zeroclickinfo-goodies,samskeller/zeroclickinfo-goodies,shubhamrajput/zeroclickinfo-goodies,salmanfarisvp/zeroclickinfo-goodies,pratts/zeroclickinfo-goodies,seisfeld/zeroclickinfo-goodies,akanshgulati/zeroclickinfo-goodies,charles-l/zeroclickinfo-goodies,abinabrahamanchery/zeroclickinfo-goodies,marianosimone/zeroclickinfo-goodies,jgkamat/zeroclickinfo-goodies,jgkamat/zeroclickinfo-goodies,mr-karan/zeroclickinfo-goodies,mr-karan/zeroclickinfo-goodies,pratts/zeroclickinfo-goodies,charles-l/zeroclickinfo-goodies,marianosimone/zeroclickinfo-goodies,pratts/zeroclickinfo-goodies,ankushg07/zeroclickinfo-goodies,urohit011/zeroclickinfo-goodies,RomainLG/zeroclickinfo-goodies,samskeller/zeroclickinfo-goodies,abinabrahamanchery/zeroclickinfo-goodies,shubhamrajput/zeroclickinfo-goodies,jgkamat/zeroclickinfo-goodies,MrChrisW/zeroclickinfo-goodies,urohit011/zeroclickinfo-goodies,RomainLG/zeroclickinfo-goodies,samskeller/zeroclickinfo-goodies,synbit/zeroclickinfo-goodies,MrChrisW/zeroclickinfo-goodies,seisfeld/zeroclickinfo-goodies,gautamkrishnar/zeroclickinfo-goodies,shubhamrajput/zeroclickinfo-goodies,synbit/zeroclickinfo-goodies,tagawa/zeroclickinfo-goodies,marianosimone/zeroclickinfo-goodies,marianosimone/zeroclickinfo-goodies,RomainLG/zeroclickinfo-goodies,akanshgulati/zeroclickinfo-goodies,mr-karan/zeroclickinfo-goodies,tagawa/zeroclickinfo-goodies,jgkamat/zeroclickinfo-goodies,pratts/zeroclickinfo-goodies,lights0123/zeroclickinfo-goodies,mr-karan/zeroclickinfo-goodies,urohit011/zeroclickinfo-goodies,seisfeld/zeroclickinfo-goodies,akanshgulati/zeroclickinfo-goodies,charles-l/zeroclickinfo-goodies,abinabrahamanchery/zeroclickinfo-goodies,charles-l/zeroclickinfo-goodies,lights0123/zeroclickinfo-goodies,gautamkrishnar/zeroclickinfo-goodies,synbit/zeroclickinfo-goodies,tagawa/zeroclickinfo-goodies,samskeller/zeroclickinfo-goodies,salmanfarisvp/zeroclickinfo-goodies