Frontend/backend project structure

+ Base implementation of a differential synchronization based on Neil
  Fraser article/talk

See https://www.youtube.com/watch?v=S2Hp_1jqpY8

.gitignore

@@ -1,4 +1,7 @@
-node_modules
-/dist
-/*.log
-/.vscode
+/client/node_modules
+/client/dist
+*.log
+/.vscode
+/server/bin
+/server/data
+/server/vendor