New folder config/tags (#1613)

Related to openhab/openhab-core#3659

Signed-off-by: Laurent Garnier <[email protected]>

Author: lolodomo

distributions/openhab/src/main/resources/conf/tags/readme.txt

@@ -0,0 +1,5 @@
+Your semantic tag definitions go here.
+All semantic tag files have to have the ".yaml" file extension and must follow a special syntax.
+
+Check out the openHAB documentation for more details:
+https://www.openhab.org/docs/configuration/semantictags.html