feature: switching mentor to contributor and entrepreneur to searcher

src/config.sample.json

src/images/contributor.png

src/includes/account-creation.pug

src/includes/components/widgets.pug

src/includes/contributor/components/header.pug

src/includes/contributor/components/menu.pug

src/includes/contributor/dashboard.pug

src/includes/contributor/profile/confirmation.pug

src/includes/contributor/profile/create.pug

src/includes/contributor/profile/detail.pug

src/includes/contributor/profile/edit.pug

src/includes/contributor/profile/view.pug

src/includes/contributor/requests/list.pug

src/includes/contributor/resources/comment.pug

src/includes/contributor/resources/confirmation-deletion.pug

...udes/contributor/resources/confirmation-status-change.pug

src/includes/contributor/resources/confirmation.pug

src/includes/contributor/resources/create.pug

src/includes/contributor/resources/database.pug

src/includes/contributor/resources/detail.pug