add new commands to sheet.hbs

[sazk07]

made changes to ./views/partials/sheet.hbs added new vim commands to cursorMovement section for position cursor at top and bottom of screen added new vim commands to cutAndPaste section for specifying line numbers during cut added new vim commands to cutAndPaste section for use of symbols during cut added new vim command to cutAndPaste section for pattern matching and cut added new vim command to indentText section for de-indent a block with () or {} (cursor on brace)