Update metadata.txt

v2.0.0-alpha.1
experimental flag true

amcr_viewer/metadata.txt

@@ -8,11 +8,11 @@ name=AMČR Viewer
 qgisMinimumVersion=3.4.0
 qgisMaximumVersion=4.99.0
 description=Viewing and downloading the AMČR data.
-version=1.3.2
+version=2.0.0-alpha.1
 author=David Spáčil
 email=spacil@arub.cz
 
-about=This plugin is intended for downloading the data (Fieldwork events, Sites and their Components) from the Digiarchive of the Archaeological Map of the Czech Republic (https://digiarchiv.aiscr.cz/). As of now, only publicly accessible data can be downloaded.
+about=This plugin is intended for downloading the data (Fieldwork events, Sites, and their Components) from the Digital archive of the Archaeological Map of the Czech Republic (https://digiarchiv.aiscr.cz/).
 
 tracker=https://github.com/ARUP-CAS/aiscr-qgis-amcr-viewer/issues
 repository=https://github.com/ARUP-CAS/aiscr-qgis-amcr-viewer
@@ -31,7 +31,7 @@ homepage=https://amcr-help.aiscr.cz/digiarchiv/qgis-viewer.html
 category=Vector
 icon=download.png
 # experimental flag
-experimental=False
+experimental=True
 
 # deprecated flag (applies to the whole plugin, not just a single version)
 deprecated=False
@@ -41,9 +41,6 @@ deprecated=False
 # Check the documentation for more information.
 # plugin_dependencies=
 
-# Category of the plugin: Raster, Vector, Database or Web
-# category=
-
 # If the plugin can run on QGIS Server.
 server=False