Allow wildcards in main page search box

[stscijgbot-jwql]

Issue JWQL-203 was created on JIRA by Bryan Hilbert:

From the JWQL user survey:

It would be nice to allow wildcards in the main page search box, e.g. jw01063001nrca3 would return thumbnails of all PID-1063 obs 1 NRCA3 files, so we don't have to know the full long name.