Make hint foundries configurable

Resolves #173

and the milestone from, originally, 1 Apr 2025

Change-Id: Iaa062ae4831187c96f99f339b29cc4374cc31afd
diff --git a/kalamar.conf b/kalamar.conf
index e3aa00b..4cffecb 100644
--- a/kalamar.conf
+++ b/kalamar.conf
@@ -77,6 +77,13 @@
     #   root_path => '/plugin/export',
     #   mount => 'http://export-plugin:3333',
     #   service => 'export-plugin-proxy'
-    # }]
+    # }],
+
+    ## Annotation helper foundries
+    ## Controls which foundries are shown in the query hint menu.
+    ## Can also be set via KALAMAR_HINT_FOUNDRIES environment variable.
+    ## Use '-foundry' to exclude from defaults, e.g. ['-spacy', '-corenlp']
+    # hint_foundries => ['base', 'corenlp', 'dereko', 'malt',
+    #                    'marmot', 'opennlp', 'spacy', 'treetagger']
   }
 }