Enable release-drafter

Also add release notes for version 3.1, which weren't here before.

.github/release-drafter.yml

@@ -0,0 +1,2 @@
+_extends: .github
+tag-template: scriptler-$NEXT_MINOR_VERSION

.github/workflows/release-drafter.yml

@@ -0,0 +1,16 @@
+# Automates creation of Release Drafts using Release Drafter
+# More Info: https://github.com/jenkinsci/.github/blob/master/.github/release-drafter.adoc
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-latest
+    steps:
+      # Drafts your next Release notes as Pull Requests are merged into "master"
+      - uses: release-drafter/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

CHANGELOG.md

@@ -1,24 +1,36 @@
 # CHANGELOG
 
+## Newer releases
+
+See [GitHub Releases](https://github.com/jenkinsci/scriptler-plugin/releases)
+
+## 3.1
+
+Release date: _Sep. 27, 2019_
+
+-   [PR #35](https://github.com/jenkinsci/scriptler-plugin/pull/35) Close
+    `FileReader` resources when reading in script from disk (thanks
+    [@pault1337](https://github.com/pault1337)!)
+
 ## 3.0-alpha 
 
 Release date: _Oct. 10, 2018_
 
 This release is available via the experimental update
-center: <https://jenkins.io/doc/developer/publishing/releasing-experimental-updates/>
+center: <https://jenkins.io/doc/developer/publishing/releasing-experimental-updates/>
 
--   [JENKINS-44242](https://issues.jenkins-ci.org/browse/JENKINS-44242) Persistent
+-   [JENKINS-44242](https://issues.jenkins-ci.org/browse/JENKINS-44242) Persistent
     cross-site scripting
--   [JENKINS-44243](https://issues.jenkins-ci.org/browse/JENKINS-44243)Script
+-   [JENKINS-44243](https://issues.jenkins-ci.org/browse/JENKINS-44243) Script
     management vulnerable to Cross-Site Request Forgery attacks
--   [JENKINS-44245](https://issues.jenkins-ci.org/browse/JENKINS-44245) Scriptler
+-   [JENKINS-44245](https://issues.jenkins-ci.org/browse/JENKINS-44245) Scriptler
     Plugin allows any Scriptler script to be executed as build step  
 
 ## 2.9
 
 Release date: _Oct. 28, 2015_
 
--   [JENKINS-29332](https://issues.jenkins-ci.org/browse/JENKINS-29332) disabled
+-   [JENKINS-29332](https://issues.jenkins-ci.org/browse/JENKINS-29332) disabled
     scritplerweb script catalog
 -   fix NPE when uploading a script [PR
     \#22](https://github.com/jenkinsci/scriptler-plugin/pull/22)

README.md

@@ -25,7 +25,6 @@ allows you to ease your daily work with the Jenkins script console.
 
 Scriptler adds a new link to the manage Jenkins page:
 
-
 ![](docs/images/screen-capture-1.gif)
 
 From within the Scriptlers view, you can create ("Add a new Script") or
@@ -139,7 +138,7 @@ return "TODAY is: ${d.toString()} - build number is: ${build.number}"
 
 since version 1.7, one can also run a script using GET or POST to the
 URL */scriptler/run/\<your-script-id\>* with the optional
-parameters node, script (alternative script text), contentType, and the
+parameters node, script (alternative script text), contentType, and the
 parameters defined for your stored script.
 
 e.g.