Add a scope to all package names and set to version to 0.1.0

Add a scope so we don't have to care about naming conflicts and set the version to 0.1.0 since we don't have a stable API yet.

demo/src/dbp-demo-template.js

 import {css, html, LitElement} from 'lit-element';
 import {ScopedElementsMixin} from '@open-wc/scoped-elements';
-//import {ClassName} from 'dbp-package-name/src/dbp-demo-activity-name'; TODO
-import * as commonUtils from 'dbp-common/utils';
-import * as commonStyles from 'dbp-common/styles';
+//import {ClassName} from '@dbp-toolkit/package-name/src/dbp-demo-activity-name'; TODO
+import * as commonUtils from '@dbp-toolkit/common/utils';
+import * as commonStyles from '@dbp-toolkit/common/styles';
 import {unsafeHTML} from 'lit-html/directives/unsafe-html.js';
-// import readme from 'dbp-class-name/README.md'; TODO
+// import readme from '@dbp-toolkit/class-name/README.md'; TODO
 import highlightCSSPath from 'highlight.js/styles/default.css';
 import * as demoStyles from "./styles";