add example for hero *sessions.Session dependency which is used on an index route outside of the main package, it is as easy as it shown. Added mostly after the issue: https://github.com/kataras/iris/issues/1057 -- have fun

Former-commit-id: 93338d0e03d6be885edf783c09a2c181568e9ec5

_examples/hero/sessions/routes/index.go

@@ -0,0 +1,26 @@
+package routes
+
+import (
+	"github.com/kataras/iris"
+	"github.com/kataras/iris/sessions"
+)
+
+// Index will increment a simple int version based on the visits that this user/session did.
+func Index(ctx iris.Context, session *sessions.Session) {
+	// it increments a "visits" value of integer by one,
+	// if the entry with key 'visits' doesn't exist it will create it for you.
+	visits := session.Increment("visits", 1)
+
+	// write the current, updated visits.
+	ctx.Writef("%d visit(s) from my current session", visits)
+}
+
+/*
+You can also do anything that an MVC function can, i.e:
+
+func Index(ctx iris.Context,session *sessions.Session) string {
+	visits := session.Increment("visits", 1)
+	return fmt.Spritnf("%d visit(s) from my current session", visits)
+}
+// you can also omit iris.Context input parameter and use dependency injection for LoginForm and etc. <- look the mvc examples.
+*/