Add alt for opengraph image

Author: CSharperMantle

index.html

@@ -17,6 +17,7 @@
     <meta property="og:image:type" content="image/svg+xml" />
     <meta property="og:image:width" content="1280" />
     <meta property="og:image:height" content="640" />
+    <meta property="og:image:alt" content="CSharperMantle/ysyx-chip-area-visualizer: Visualize Yosys `stat` reports." />
     <meta property="og:locale" content="en_US" />
     <meta property="og:determiner" content="the" />
     <meta name="twitter:card" content="summary_large_image" />

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ysyx-chip-area-visualizer",
-  "description": "Visualize Yosys `stat` reports",
+  "description": "Visualize Yosys `stat` reports.",
   "license": "AGPL-3.0-or-later",
   "private": true,
   "version": "0.1.0",
@@ -48,4 +48,4 @@
     "workbox-window": "^7.3.0"
   },
   "packageManager": "[email protected]"
-}
+}