Unibuild modules in here. modules included and called before unibuild files. Defining main functins and detecting target and host functions in here. Also default fallback variables defined here. Unibuild require **_fetch** function for getting sources. Other functions are optional.
Api
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Unibuild helper function defined here. Included before unibuild files. All functions are optional. Modules can use api functions.
Hooks
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Hook functions included after unibuild files so override unibuild files. you don't have to define unibuild function or variable in here. All hook functions are optional.
