Rename blueprints to Collections and add Operations tab

Fixes #46

src/routes/+page.svelte

@@ -173,7 +173,7 @@
         {/if}
 
         {#if servers.length === 0}
-            <EmptyState title="Your first server starts here" description="Check your connections and saved keys, then create a server or use a blueprint.">{#snippet actions()}<Button href="/settings">Check system setup</Button><Button href="/provisioning?view=blueprints" variant="ghost">Browse blueprints</Button>{/snippet}</EmptyState>
+            <EmptyState title="Your first server starts here" description="Check your connections and saved keys, then create a server or use a collection.">{#snippet actions()}<Button href="/settings">Check system setup</Button><Button href="/collections" variant="ghost">Browse collections</Button>{/snippet}</EmptyState>
         {:else}
             <div class="toolbar">
                 <div class="search-row">