[Weekly Update 4 - Closed Alpha] Velocity Tutorial + New Enemy and Map

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[h2]Features[/h2]
- New tutorial velocity fight
- New Hero => Pyclip
- New Map
[h2]Improvment on performance settings[/h2]
- Disabling advance rendering feature for the water shader of Island map (only in performance mode).
- Disabling dynamic grass option for Island map (only in performance mode).
- Spells textures are compressed (only in performance mode).

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[h2]Bugs[/h2]
- Mendacium should no longer show up in the temple.