Preact standalone bundle includes `useContext` but not `createContext`

[lmorchard]

While playing with the preact standalone bundle that includes hooks, I tried using useContext. But, I discovered that the bundle seems to be missing createContext - which seems necessary for using useContext

https://github.com/developit/htm/blob/master/src/integrations/preact/standalone.mjs#L24