There are some frequently asked questions for beginner developers.
README file is the foundation document which ask user to Read Me First before doing anything in the project. It provides some concept explanation or basic requirements that user have to know. Sometimes it mentions contributin, licensing details and guideline for other developers who wants to contribute.
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Wireframe is a blueprints which can help teams to visualize the layout, user flow and hierarchy before committing to the colour or final UI design.
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A branch is a copied workspace from the main development and developers can modify and fix on her/his own branch of project without messing the main development.
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