Restructur and start dedicated pages for user tutorials (#7)

* rename filenames to reflect order

* introduce editorconfig

* Restructur and start dedicated pages for terminology and user tutorials

* update docusaurus and add mermaidjs support

* Add simplified architecture as diagram for now

* finish

src/css/custom.css

@@ -43,4 +43,4 @@ li.task-list-item > input[type="checkbox"] {
 .gallery {
 	margin: 0 auto;
 	max-width: 1250px;
-}
+}

src/pages/index.js

@@ -19,7 +19,7 @@ function HomepageHeader() {
 				<div className={styles.buttons}>
 					<Link
 						className="button button--secondary button--lg"
-						to="/docs/getting-started/overview">
+						to="/docs/getting-started/tutorial">
 						Get Started
 					</Link>
 				</div>

src/pages/roadmap.md

@@ -70,4 +70,4 @@ title: Roadmap
   - [ ] Panel Item UI
     - [ ] Flatland
 
-More to come!
+More to come!