Add blog posts links to both rounds of Outreachy

Author: dhruvkb

content/internships/history/contents.lr

@@ -51,8 +51,10 @@ CC has participated in Google Summer of Code seven times up to 2013, and twice s
 CC participated in Outreachy twice since 2019.
 
 * [Outreachy May 2020 - August 2020]
+    * [Open Source Blog posts](/blog/categories/outreachy-2020/)
     * [Welcome Our Interns from Google Summer of Code and Outreachy!](https://creativecommons.org/2020/05/11/welcome-interns-google-summer-of-code-and-outreachy/)
 * [Outreachy December 2019 - March 2020]
+    * [Open Source Blog posts](/blog/categories/outreachy-2019-20/)
     * [Meet Our 2020 Interns From Outreachy](https://creativecommons.org/2019/12/10/2020-outreachy-interns/)
 
 ### Relevant links