Update README.md

Adding new language SpectX
Adding link to AoC tasks in SpectX language

README.md

@@ -60,6 +60,7 @@ This is a collection of awesome resources related to the yearly
     * [Smalltalk](#smalltalk)
     * [Scala](#scala)
     * [Scheme](#scheme)
+    * [SpectX](#spectx)
     * [SQL](#sql)
     * [Swift](#swift)
     * [TypeScript](#typescript)
@@ -477,6 +478,12 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 
 * [jitwit/aoc](https://github.com/jitwit/aoc) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2020--12--03-orange)
 
+#### SpectX
+
+*Solutions to AoC in SpectX.*
+
+* [spectx/aoc2020](https://github.com/spectx/aoc2020) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2020--12--03-orange)
+
 #### SQL
 
 *Solutions to AoC in SQL.*