Merge pull request #133 from strongloop/update-lts

README: update LTS status

README.md

@@ -1,8 +1,33 @@
 # loopback-swagger
 
+**This module is in Active LTS mode, new features are no longer accepted.**
+<br/>(See [Module Long Term Support Policy](#module-long-term-support-policy)
+below.)
+
+LoopBack 3 users looking for new features are encouraged to upgrade
+to LoopBack 4. Refer to
+[loopback-next#1849](https://github.com/strongloop/loopback-next/issues/1849)
+for more information on how to upgrade.
+
+## Overview
+
 Utilities to transform between Swagger API specs and LoopBack remoting metadata.
 
 This is an internal module used by the following user-facing tools:
 
  - [slc loopback:swagger](https://docs.strongloop.com/display/LB/Swagger+generator)
  - [loopback-explorer](https://github.com/strongloop/loopback-explorer)
+
+## Module Long Term Support Policy
+
+This module adopts the [
+Module Long Term Support (LTS)](http://github.com/CloudNativeJS/ModuleLTS) policy,
+with the following End Of Life (EOL) dates:
+
+| Version | Status          | Published | EOL      |
+| ------- | --------------- | --------- | -------- |
+| 5.x     | Active LTS      | Sep 2017  | Dec 2019 |
+| 4.x     | Maintenance LTS | Feb 2017  | Apr 2019 |
+| 3.x     | Maintenance LTS | Dec 2016  | Apr 2019 |
+
+Learn more about our LTS plan in [docs](https://loopback.io/doc/en/contrib/Long-term-support.html).