Improve tags helptext and add warnings

frontend/src/Indexer/Edit/EditIndexerModalContent.js

@@ -187,6 +187,7 @@ function EditIndexerModalContent(props) {
                   type={inputTypes.TAG}
                   name="tags"
                   helpText={translate('IndexerTagsHelpText')}
+                  helpTextWarning={translate('IndexerTagsHelpTextWarning')}
                   {...tags}
                   onChange={onInputChange}
                 />

frontend/src/Settings/Applications/Applications/EditApplicationModalContent.js

@@ -133,7 +133,8 @@ function EditApplicationModalContent(props) {
                 <FormInputGroup
                   type={inputTypes.TAG}
                   name="tags"
-                  helpText={translate('TagsHelpText')}
+                  helpText={translate('ApplicationTagsHelpText')}
+                  helpTextWarning={translate('ApplicationTagsHelpTextWarning')}
                   {...tags}
                   onChange={onInputChange}
                 />

src/NzbDrone.Core/Localization/Core/en.json

@@ -47,6 +47,8 @@
   "ApplicationLongTermStatusCheckSingleClientMessage": "Applications unavailable due to failures for more than 6 hours: {0}",
   "ApplicationStatusCheckAllClientMessage": "All applications are unavailable due to failures",
   "ApplicationStatusCheckSingleClientMessage": "Applications unavailable due to failures: {0}",
+  "ApplicationTagsHelpText": "Sync Indexers to this application that have no tags or that have 1 or more matching tags",
+  "ApplicationTagsHelpTextWarning": "Tags should be used with caution, they can have unintended effects. An app with a tag will only sync to indexers with the same tag.",
   "ApplicationURL": "Application URL",
   "ApplicationUrlHelpText": "This application's external URL including http(s)://, port and URL base",
   "Applications": "Applications",
@@ -280,7 +282,8 @@
   "IndexerStatus": "Indexer Status",
   "IndexerStatusCheckAllClientMessage": "All indexers are unavailable due to failures",
   "IndexerStatusCheckSingleClientMessage": "Indexers unavailable due to failures: {0}",
-  "IndexerTagsHelpText": "Use tags to specify Indexer Proxies or which apps the indexer is synced to. Applications without 1 or more matching Indexer Tags will not be synced to.",
+  "IndexerTagsHelpText": "Use tags to specify Indexer Proxies or which apps the indexer is synced to.",
+  "IndexerTagsHelpTextWarning": "Tags should be used with caution, they can have unintended effects. An indexer with a tag will only sync to apps with the same tag.",
   "IndexerVipCheckExpiredClientMessage": "Indexer VIP benefits have expired: {0}",
   "IndexerVipCheckExpiringClientMessage": "Indexer VIP benefits expiring soon: {0}",
   "Indexers": "Indexers",