Add description and keywords

Author: k.golikov

public/index.html

@@ -5,7 +5,14 @@
         <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
         <meta name="viewport" content="width=device-width, initial-scale=1" />
         <meta name="theme-color" content="#000000" />
-        <meta name="description" content="MRGRD56 - Kirill Golikov" />
+        <meta
+            name="description"
+            content="MRGRD56 - Kirill Golikov. Useful tools and utils, like: JSON to TypeScript converter, code formatter, JavaScript online executor (evaluator), QR code generator and scanner, UUID generator, background generator, diff editor (find difference between texts), etc."
+        />
+        <meta
+            name="keywords"
+            content="MRGRD56, Kirill Golikov, GitHub Pages, tools, utils, json, typescript, json to typescript converter, code formatter, javascript, javascript online, qr code, qr scanner, qr generator, uuid generator, guid, background generator, difference between tests"
+        />
         <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
         <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
         <title>MRGRD56</title>