Add favicon to fix console error, update .gitignore

.gitignore

@@ -0,0 +1,5 @@
+node_modules
+dist
+lighthouse-report.json
+.DS_Store
+.env

index.html

@@ -7,6 +7,8 @@
     <meta name="keywords" content="web development, custom websites, responsive design, e-commerce, SEO, website maintenance">
     <meta name="author" content="Dustin Newkirk">
     <link rel="canonical" href="https://dev.dustin.coffee/index.html">
+    <link rel="icon" href="favicon.svg" type="image/svg+xml">
+    <link rel="icon" href="favicon.ico" sizes="any">
     <title>d@n tech - Web Development Services</title>
     <meta property="og:title" content="d@n tech - Web Development Services">
     <meta property="og:description" content="Professional web development services: custom sites, responsive design, e-commerce, SEO, maintenance. Portfolio showcase.">

public/favicon.svg

@@ -0,0 +1,12 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" width="32" height="32">
+  <!-- Coffee cup body -->
+  <rect x="8" y="10" width="16" height="14" rx="2" ry="2" fill="#6F4E37"/>
+  <!-- Coffee surface -->
+  <rect x="10" y="12" width="12" height="10" rx="1" ry="1" fill="#D4A574"/>
+  <!-- Cup handle -->
+  <path d="M22 12 C24 12 24 14 24 16 C24 18 22 18 20 18" stroke="#6F4E37" stroke-width="2" fill="none"/>
+  <!-- Steam lines -->
+  <line x1="12" y1="6" x2="12" y2="10" stroke="#1D7874" stroke-width="1.5" stroke-linecap="round"/>
+  <line x1="16" y1="5" x2="16" y2="9" stroke="#1D7874" stroke-width="1.5" stroke-linecap="round"/>
+  <line x1="20" y1="6" x2="20" y2="10" stroke="#1D7874" stroke-width="1.5" stroke-linecap="round"/>
+</svg>