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

package.json

@@ -14,8 +14,9 @@
 		"write-heading-ids": "docusaurus write-heading-ids"
 	},
 	"dependencies": {
-		"@docusaurus/core": "2.0.0-beta.3",
-		"@docusaurus/preset-classic": "2.0.0-beta.3",
+		"@docusaurus/core": "2.4.1",
+		"@docusaurus/preset-classic": "2.4.1",
+		"@docusaurus/theme-mermaid": "2.4.1",
 		"@mdx-js/react": "^1.6.21",
 		"@svgr/webpack": "^5.5.0",
 		"clsx": "^1.1.1",