updated to v0.2.6

update to version 0.2.6: Replay update:

General changes:

-Adds replays at the end of a game. even if said game does not result in a personal best, this allow browser users to benefit from replays for the first time, The replay from browser also possesses the pcvision feature but toned down to 6 pieces in advance instead of 7 due to it not being asynchrone.

-Optimisation of replays so that there is no lag when watching a replay of multiple minutes long.

-Added a button to switch from replay to gameplay and switch back from gameplay to replay. This button switches the mode to practice mode where the user can try out a couple things. When switching back to replay, it goes back to the previous position before first clicking on the button.