rework of DE translation (#2806)

* started rework of translation to DE, added translation rules and dictionary

* reworks DE translation of JSONata /editor-client/locales/de/jsonata.json

* rework DE translation of editor-client

* moved /editor-client/locales/de/README.md to Wiki https://github.com/node-red/node-red/wiki/Design:-i18n-de

* Update README.md

* Update README.md

* Create README.md

* Create README.md

* fixed #2: "Sie müssen ..., um ... zu können"

* fixed #3

* fixed #4 and removed unnecessary spaces

* fixed #5

* fixed #6, added missing dots, removed unnecessary spaces

* fixed #7, #8, #9

* fixed #10, #11, #12, #13, #14, #15

* fixed #17, #18, 19

* fixed #19

* moved /editor-client/locales/de/dictionary.csv to https://github.com/heikokue/node-red-designs/blob/i18n-de/designs/i18n-de/dictionary.csv

* reworked DE translation of runtime

* fine-tuned DE translation of editor-client

* reworked DE translation of common nodes, fine-tuned editor-client

* reworked DE translation of all nodes, fine-tuned editor-client, intotips, jsonata & runtime

* small i18n fixes

packages/node_modules/@node-red/nodes/locales/en-US/network/21-httpin.html

@@ -75,7 +75,7 @@
     <h4>Cookie handling</h4>
     <p>The <code>cookies</code> property must be an object of name/value pairs.
     The value can be either a string to set the value of the cookie with default
-    options, or it can be an object of options.<p>
+    options, or it can be an object of options.</p>
     <p>The following example sets two cookies - one called <code>name</code> with
     a value of <code>nick</code>, the other called <code>session</code> with a
     value of <code>1234</code> and an expiry set to 15 minutes.</p>