Add basic authentication guide

content/guides.json

@@ -1,4 +1,14 @@
 [
+  {
+    "title": "Basic Authentication",
+    "description": "Understand what is basic authentication and how it is implemented",
+    "url": "/guides/basic-authentication",
+    "fileName": "basic-authentication",
+    "featured": true,
+    "author": "kamranahmedse",
+    "updatedAt": "2020-05-19T20:59:14.191Z",
+    "createdAt": "2020-05-19T20:59:14.191Z"
+  },
   {
     "title": "Character Encodings",
     "description": "Covers the basics of character encodings and explains ASCII vs Unicode",

content/guides/basic-authentication.md

@@ -0,0 +1,3 @@
+[![](/guides/basic-authentication.png)](/guides/basic-authentication.png)
+
+Here is the [original tweet](https://twitter.com/kamranahmedse/status/1261783266044063748) where this image was posted.

public/sitemap.xml

@@ -30,6 +30,12 @@
               <lastmod>2020-01-29T07:49:29.706Z</lastmod>
               <priority>1.0</priority>
           </url>
+<url>
+              <loc>https://roadmap.sh/guides/basic-authentication</loc>
+              <changefreq>monthly</changefreq>
+              <lastmod>2020-05-19T20:59:14.191Z</lastmod>
+              <priority>1.0</priority>
+          </url>
 <url>
               <loc>https://roadmap.sh/guides/character-encodings</loc>
               <changefreq>monthly</changefreq>