Hex Maze API examples

• ./api/maze/hex
Random hex maze with the default rows and cols.
• ./api/maze/hex?rows=9&cols=5
Random hex maze with 9 rows and 5 cols.
• ./api/maze/hex/1557160245?rows=25&cols=15
Generates a hex maze via a seed that has one room with five openings.
Can you find it?