DOC-4475 examples for llen, lpop, lpush, lrange, rpop, and rpush#4054

sazzad16 merged 2 commits intoredis:masterredis/jedis:masterfrom

andy-stark-redis:DOC-4475-list-cmd-examplesandy-stark-redis/jedis:DOC-4475-list-cmd-examplesCopy head branch name to clipboard