Add blog post "Metafacture-core release 5.6.0" (#31)

Author: dr0i

content/blog/metafacture-core-5.6.0/index.md

@@ -0,0 +1,36 @@
+---
+title: Metafacture-core release 5.6.0
+date: "2023-05-25T12:36:03.2300Z"
+description: "This is about changes coming with the metafacture-core release 5.6.0"
+authors: [{lastname: "Christoph",
+           firstname: "Pascal"}]
+---
+
+*Preamble*
+
+This post describes the new developments in `metafacture-core release 5.6.0` since the [release of
+ metafacture-core-5.5.0](https://blog.metafacture.org/metafacture-core-5.5.0/) in March 2023.
+
+## Table of Contents
+
+```toc
+# this will be replaced by the toc
+```
+
+## Changes
+
+### New Features
+
+- CSV: Add CsvEncoder [#483](https://github.com/metafacture/metafacture-core/issues/483)
+- HTTP: Emit combined text for mixed content in HtmlDecoder [#477](https://github.com/metafacture/metafacture-core/pull/477)
+
+Have a look at [flux-commands](https://github.com/metafacture/metafacture-documentation/blob/master/flux-commands.md) how to use these features.
+
+### Bug fixes
+
+- HTTP: Reset inputUsed after processing to fix reusing opener [#480](https://github.com/metafacture/metafacture-core/pull/480)
+
+### Others
+
+- Update dependencies [#489](https://github.com/metafacture/metafacture-core/pull/489)
+