docs: replace knora by dsp or dsp-api in documentation (DSP-1469) (#1836)

* docs: replace knora by dsp in main comments

* docs(cname): update documentation url

* docs(release notes): get release notes from CHANGELOG.md

* docs: refactor md files

* docs(config): add plugins

* docs: update README

* docs(images): move icons to icons folder

* docs: rename knora to DSP-API

* docs: replace knora by dsp in main comments

* docs: replace knora by dsp in main comments

* docs: replace "Knora API" by "DSP-API"

* docs: replace knora by dsp and dsp-api

* docs: replace knora by dsp and dsp-api

Author: kilchenmann

CHANGELOG.md

@@ -1,3 +1,3 @@
-# Release Notes
-
-These are the release notes for each version of Knora.
+{%
+   include-markdown "../../CHANGELOG.md"
+%}