Move types definition under src directory

src/utils/getPostsByTag.ts

@@ -1,6 +1,6 @@
 import type { MarkdownInstance } from "astro";
 import { slufigyAll } from "./slugify";
-import type { Frontmatter } from "./types";
+import type { Frontmatter } from "../types";
 
 const getPostsByTag = (posts: MarkdownInstance<Frontmatter>[], tag: string) =>
   posts.filter((post) => slufigyAll(post.frontmatter.tags).includes(tag));

src/utils/getSortedPosts.ts

@@ -1,5 +1,5 @@
 import type { MarkdownInstance } from "astro";
-import type { Frontmatter } from "./types";
+import type { Frontmatter } from "../types";
 
 const getSortedPosts = (posts: MarkdownInstance<Frontmatter>[]) =>
   posts.sort(

src/utils/getUniqueTags.ts

@@ -1,6 +1,6 @@
 import slugify from "./slugify";
 import type { MarkdownInstance } from "astro";
-import type { Frontmatter } from "./types";
+import type { Frontmatter } from "../types";
 
 const getUniqueTags = (posts: MarkdownInstance<Frontmatter>[]) => {
   let tags: string[] = [];

src/utils/types.ts

@@ -1,10 +0,0 @@
-export interface Frontmatter {
-  title: string;
-  ogImage?: string;
-  description: string;
-  author: string;
-  datetime: string;
-  slug: string;
-  featured: boolean;
-  tags: string[];
-}