[docs] started copy-pasting existing user manual

docs/docs.user.setup.md

@@ -0,0 +1,19 @@
+---
+{
+	"_label": "Setting Up",
+	"_toc": [
+		"docs.user.setup.before",
+		"docs.user.setup.strategy",
+		"docs.user.setup.first",
+		"docs.user.setup.accounting",
+		"docs.user.setup.item",
+		"docs.user.setup.customer",
+		"docs.user.setup.supplier"
+	]
+}
+---
+Setting up an ERP system is like starting your business all over again, but in the virtual
+world. Thankfully its not as hard as the real thing and you get to do a trial too.
+
+The important thing to note is that if you really want to take benefit out of this project, then you must take a step back and make sometime to do this right. This is usually not couple-of-hours after work kind of a project.
+