Add initial MarkMark spec and integrate my own links.mark.md file

src/markmark/types.ts

@@ -0,0 +1,26 @@
+import {hasOwnProperty} from '@extollo/lib'
+
+export type MarkMark = {
+    frontmatter: FrontMatter,
+    sections: Section[],
+}
+
+export type FrontMatter = {
+    syntax: 'v1',
+    authorName?: string,
+    authorEmail?: string,
+    authorHref?: string,
+}
+
+export type AnonymousSection = { links: Link[] }
+export type NamedSection = { title: string, description?: string, links: Link[] }
+export type Section = AnonymousSection | NamedSection
+
+export const isNamedSection = (what: Section): what is NamedSection =>
+    hasOwnProperty(what, 'title') && (typeof what.title === 'string')
+
+export type Link = {
+    title: string,
+    tags: string[],
+    urls: string[],
+}