fix(docs): replace backtick symbol prefix with single quote across website

Rayfall uses 'sym not `sym for symbol literals.

Author: singaraiona

website/docs/guide-ipc.html

@@ -168,7 +168,7 @@ <h3>Query from a Client</h3>
 <span class="hl-comment">;; => the full trades table is returned</span>
 
 <span class="hl-comment">;; Run a filtered query</span>
-(<span class="hl-fn">hsend</span> h <span class="hl-str">"(select {from: trades where: (= sym `AAPL)})"</span>)
+(<span class="hl-fn">hsend</span> h <span class="hl-str">"(select {from: trades where: (= sym 'AAPL)})"</span>)
 
 (<span class="hl-fn">hclose</span> h)</code></pre>
 

website/docs/guide-memory.html

@@ -189,7 +189,7 @@ <h3>Checking Memory Before and After an Operation</h3>
 (<span class="hl-kw">set</span> after (<span class="hl-fn">memstat</span>))
 
 <span class="hl-comment">;; See how much memory the load consumed</span>
-(<span class="hl-fn">-</span> (after <span class="hl-sym">`bytes-allocated</span>) (before <span class="hl-sym">`bytes-allocated</span>))</code></pre>
+(<span class="hl-fn">-</span> (after <span class="hl-sym">'bytes-allocated</span>) (before <span class="hl-sym">'bytes-allocated</span>))</code></pre>
       <pre><code>838860800</code></pre>
       <p>In this example, loading 10 million rows consumed roughly 800 MB of heap memory.</p>