[LAUNCH CLEANUP] Restore Labs RSS feed (#739)

Builds complete OK & `rss.xml` exists and parses as a
valid feed for Labs.

Commits:

* check for featuredImg src

* remove type check for build

* remove src from featureImg to check build

* remove featuredImg

* remove comments from generateRSS

* remove comments from generateRSS

* remove linting

* update README to show required fields of post

* fix linting README

* update README required fields

* Add/reformat "(required)" annotations

* Add "(required)" to `hero` metadata

---------

Co-authored-by: Brian Skinn <[email protected]>

Author: Surafel-Getachew

README.md

@@ -534,26 +534,26 @@ The `content` section is the body of the post added in Markdown format.
 The `meta` section is a `YAML` like structure and should be wrapped with `---`
 signs. The meta section contains post-related information like:
 
-- `title` - Title of the blog post. Used also as the title of the page inside
+- `title` (required) - Title of the blog post. Used also as the title of the page inside
   `<title></title>` tag
-- `description` - Description of the blog post. Used inside `<meta name="description" />` tag
-- `published` - Publishing date of the blog post. Used also for sorting posts by
+- `description` (required) - Description of the blog post. Used inside `<meta name="description" />` tag
+- `published` (required) - Publishing date of the blog post. Used also for sorting posts by
   date (the format should be `Month d, yyyy` for example `January 1, 2023`)
-- `author` - Unique slug of the author (from Storyblok) usually looks like `jon-doe`.
+- `author` (required) - Unique slug of the author (from Storyblok) usually looks like `jon-doe`.
   Based on this property blog post page will display proper info about the author
   (and their avatar). The author must be present in Storyblok in order for the
   post to build without error.
-- `category` - Array of categories for example `[Machine Learning]`. All
+- `category` (required) - Array of categories for example `[Machine Learning]`. All
   categories should be the same as in the previously mentioned
   [`categories.json`](./apps/labs/posts/categories.json) file.
   **Important note:** categories are case-sensitive.
-- `featuredImage` - Object with properties: `src` and `alt`. The `src` property
+- `featuredImage` (required) - Object with two required properties: `src` and `alt`. The `src` property
   is a path to the featured image which is displayed on the posts list on the`/blog`
   page. The `alt` property is alternative text for the image. The image should
   be added to the `apps/labs/public/posts/<post-name>` directory, for example,
   `apps/labs/public/posts/hello-world-post`. There is no need to provide a full image path,
   so the path name should start with `/posts/`.
-- `hero` - the object for the Hero section of the post. This can have two different structures:
+- `hero` (required) - the object for the Hero section of the post. This can have two different structures:
   - The first structure is an object with `imageSrc` and `imageAlt`. The `imageSrc` property is a path to
     the hero image, which is displayed on the blog post page between the nav bar and the
     blog heading title. The `imageAlt` property is alternative text for the image.

apps/labs/pages/blog/index.tsx

@@ -212,9 +212,7 @@ export const getStaticProps: GetStaticProps = async ({ preview = false }) => {
   const { items } = await getAllPosts(preview);
   const data = await getPage({ slug: 'blog', relations: '' }, preview);
 
-  
-  /* TODO: RSS build is broken and needs fixing */
-  // await generateRSS(items);
+  await generateRSS(items);
 
   return {
     props: {