Develop serverless core (#4)

* Update docs

* Update to latest version of userverless-core

README.md

@@ -2,10 +2,9 @@ LambdaMailer
 ============
 [![LICENSE](https://img.shields.io/badge/license-Apache--2.0-blue.svg?longCache=true&style=flat-square)](LICENSE)
 
-Description
------------
-
-Serverless application to send emails using SES and Lambda.
+## Description
+LambdaMailer is a simple Serverless mailing system for AWS SES build on [µServerless](https://github.com/onema/uServerless) and [Scala](https://www.scala-lang.org/)
+and deployed using the [serverless framework](https://serverless.com).
 
 The project defines three lambda functions (mailer, bouce, and forwarder) and a dynamodb table to keep track of bounces and complaints.
 
@@ -62,8 +61,7 @@ spam@example.com=my.rea.email@gmail.com,anotheremail@yahoo.com&foobar@example2.c
 ```
 and it must be assigned to the `EMAIL_MAPPING` environment variable. 
 
-Installation
-------------
+## Installation
 You must build the project before it is deployed using SBT:
 ```bash
 sbt compile
@@ -85,8 +83,7 @@ Under edit configuration select the `<STAGE>-mailer-bounce` SNS Topic for both B
 
 Save Config, and you are done!
 
-Uninstall
----------
+## Uninstall
 ```bash
-./build remove dev
+serverless remove 
 ```

build.sbt

@@ -1,19 +1,19 @@
-resolvers += "Onema Snapshots" at "s3://s3-us-east-1.amazonaws.com/ones-deployment-bucket/snapshots"
+//resolvers += "Onema Snapshots" at "s3://s3-us-east-1.amazonaws.com/ones-deployment-bucket/snapshots"
 
 lazy val root = (project in file("."))
 .settings(
   organization := "io.onema",
 
   name := "lambda-mailer",
 
-  version := "0.4.3",
+  version := "0.5.0",
 
   scalaVersion := "2.12.7",
 
   libraryDependencies ++= {
     Seq(
       // dependencies
-      "io.onema"                  % "userverless_2.12"      % "0.0.10",
+      "io.onema"                  % "userverless-core_2.12" % "0.0.1",
       "org.apache.commons"        % "commons-email"         % "1.5",
 
         // AWS Clients