feat: add posts + a lot of changes

app/layout.tsx

@@ -8,7 +8,7 @@ import MainFooter from "@/components/footer/main";
 export const metadata: Metadata = {
   title: "Ader Konstantin Blog",
   description: "Welcome to AderKI Blog. There will be posts about digital design and computer architecture",
-  keywords: ["AderKI", "blog", "computer"],
+  keywords: ["blog", "risc-v"],
   authors: [{ name: "Ader Konstantin" }],
   openGraph: {
     title: "AderKI Blog",

app/post/[slug]/page.tsx

@@ -59,7 +59,7 @@ export default async function PostPage({ params }: PostPageProps) {
   return (
     <>
       <main className="flex flex-col gap-[32px] row-start-2 items-center">
-        <section className="space-y-1 text-center max-w-4xl w-full px-4 mt-2">
+        <section className="space-y-1 text-center max-w-4xl w-full px-4 mt-2 pt-[1em]">
           <dl className="space-y-10">
             <div>
               <dt className="sr-only">Опубликовано</dt>