Build and dev-server tooling

Custom middlewares and tasks on the extension points, from the UI5 community organisation and independent authors: serving and proxying (backend proxies, the CAP middlewareui5-middleware-capbuild-toolA UI5 CLI middleware that runs a CDS server inside the UI5 dev server, mounted at a path the UI5 project configures, so one command serves the app and its CAP services.community org, ui5, live reload and hot reload), transpiling, LESS and string replacement, bundling npm dependencies through ui5-tooling-modulesui5-tooling-modulesbuild-toolA set of UI5 tooling extensions that load and convert plain npm packages into UI5 AMD-like modules, so the UI5 module loader can consume them.community org, ui5, zipping and deployment steps, and checks on the output. SAP adds extensions of its own beyond the core CLI, such as a code coverage middleware@ui5/middleware-code-coveragebuild-toolUI5 CLI server middleware that instruments a project's JavaScript files with Istanbul as the dev server sends them, and generates the coverage report from the records the OpenUI5 QUnit tests send back.sap official, ui5 and the deprecated Web Components wrapper tooling@ui5/tooling-webcbuild-toolDeprecated UI5 Tooling extensions that generate UI5 library wrapper projects for UI5 Web Components and serve them during development; the README points to ui5-tooling-modules instead.sap official, ui5.