schema: enable categories by default for new installations

schema/ttrss_schema_mysql.sql

@@ -306,7 +306,7 @@ insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) valu
 
 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('ALLOW_DUPLICATE_POSTS', 1, 'true', 'Allow duplicate posts',1, 'This option is useful when you are reading several planet-type aggregators with partially colliding userbase. When disabled, it forces same posts from different feeds to appear only once.');
 
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('ENABLE_FEED_CATS', 1, 'false', 'Enable feed categories',2);
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('ENABLE_FEED_CATS', 1, 'true', 'Enable feed categories',2);
 
 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('SHOW_CONTENT_PREVIEW', 1, 'true', 'Show content preview in headlines list',2);
 

schema/ttrss_schema_pgsql.sql

@@ -269,7 +269,7 @@ insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) valu
 
 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('ALLOW_DUPLICATE_POSTS', 1, 'true', 'Allow duplicate posts',1, 'This option is useful when you are reading several planet-type aggregators with partially colliding userbase. When disabled, it forces same posts from different feeds to appear only once.');
 
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('ENABLE_FEED_CATS', 1, 'false', 'Enable feed categories',2);
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('ENABLE_FEED_CATS', 1, 'true', 'Enable feed categories',2);
 
 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('SHOW_CONTENT_PREVIEW', 1, 'true', 'Show content preview in headlines list',2);