[src/lib] Update filter_help.ts (#342)

* update filter help doc

* added suggested changes

* condensed feature description and cleaned up my typescript spaghetti

* minor wording fixes

Author: albertjsung

src/lib/components/filter/filter_help.ts

@@ -50,6 +50,10 @@ export class FilterHelp extends FloatElement {
                     <li>Matches items with floats that contain at least one match of the CS bomb code</li>
                     <li>Example Match: 0.234327355608454</li>
                 </ul>
+                <li>seed in (939, 1023, 1, 5)</li>
+                <ul>
+                    <li>Matches items satisfying a paint seed in the collection of values</li>
+                </ul>
                 <li>percentile(90)</li>
                 <ul>
                     <li>Matches items with a float better than 90% of items of this type</li>