Prepare 1.0.0 release.

CHANGELOG.md

@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## Unreleased
+ - ...
+
+## [1.0.0] - 2020-10-18
+ - Initial Major Release (no functional changes from [0.0.4])
 
 ## [0.0.4] - 2020-10-17
  - Releases 0.0.2 and 0.0.3 contained no functional changes and were [attempts to avoid the example usages getting reformatted by the Orb Repository](https://discuss.circleci.com/t/orb-example-formatting-gets-mangled-after-publishing/37816).
@@ -13,6 +17,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [0.0.1] - 2020-10-17
  - Initial Release
 
-
+[1.0.0]: https://github.com/adamu/slack-webhook-orb/releases/tag/1.0.0
-[0.0.1]: https://github.com/adamu/slack-webhook-orb/releases/tag/0.0.1
 [0.0.4]: https://github.com/adamu/slack-webhook-orb/releases/tag/0.0.4
+[0.0.1]: https://github.com/adamu/slack-webhook-orb/releases/tag/0.0.1

slack-webhook-orb.yml

@@ -1,10 +1,9 @@
 version: 2.1
 
-description: |
+description: A simple orb to send fully-customized Slack messages via Slack webhooks.
-  A simple orb to send fully-customized Slack messages via Slack webhooks.
 
 display:
-  source_url: "https://github.com/adamu/slack-webhook-orb"
+  source_url: https://github.com/adamu/slack-webhook-orb
 
 commands:
   send-message: