fix(system): improve query help docs (#39)

Co-authored-by: Melissa Hilliard <63749096+MelissaHilliard@users.noreply.github.com>

src/datasources/system/components/SystemQueryEditor.tsx

@@ -22,15 +22,15 @@ export function SystemQueryEditor({ query, onChange, onRunQuery, datasource }: P
 
   return (
     <>
-      <InlineField label="Query type">
+      <InlineField label="Query type" labelWidth={14} tooltip={tooltips.queryType}>
         <RadioButtonGroup
           options={enumToOptions(SystemQueryType)}
           onChange={onQueryTypeChange}
           value={query.queryKind}
         />
       </InlineField>
       {query.queryKind === SystemQueryType.Metadata && (
-        <InlineField label="System" tooltip="Enter system ID or alias">
+        <InlineField label="System" labelWidth={14} tooltip={tooltips.system}>
           <AutoSizeInput
             defaultValue={query.systemName}
             maxWidth={80}
@@ -43,3 +43,10 @@ export function SystemQueryEditor({ query, onChange, onRunQuery, datasource }: P
     </>
   );
 }
+
+const tooltips = {
+  queryType: `Metadata allows you to visualize the properties of one or more systems.
+              Summary allows you to visualize the number of disconnected and connected systems.`,
+  system: `Query for a specific system by its name or ID. If left blank, the plugin returns all
+            available systems. You can enter a variable into this field.`,
+};

src/datasources/system/query_help.md

@@ -0,0 +1,5 @@
+The _SystemLink Systems_ data source allows you to display system
+metadata in dashboards.
+
+For more information, refer to [Managing Your Systems - SystemLink
+Enterprise](https://www.ni.com/docs/en-US/bundle/systemlink-enterprise/page/managing-systems.html).