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

.editorconfig

@@ -0,0 +1,18 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+tab_width = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+
+[*.md]
+trim_trailing_whitespace = false
+indent_size = 1
+
+[*.{css,js,json}]
+indent_style = tab