LeNPaul#12 Add links to GitHub issues in changelog

CHANGELOG.md

@@ -10,18 +10,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [1.0.0] - 2021-05-15
 
 ### Added
-
-- Create gem-based theme scaffolding #2
-- Create default.html layout #3
-- Create home.html layout #4
-- Create page.html layout #5
-- Create people.html layout #6
-- Create publications.html layout #7
-- Create post.html layout #8
-- Create cv.html layout #9
-- Create contact.html layout #10
-- Create course.html layout #11
+- Create gem-based theme scaffolding [#2](https://github.com/LeNPaul/academic/issues/2)
+- Create default.html layout [#3](https://github.com/LeNPaul/academic/issues/3)
+- Create home.html layout [#4](https://github.com/LeNPaul/academic/issues/4)
+- Create page.html layout [#5](https://github.com/LeNPaul/academic/issues/5)
+- Create people.html layout [#6](https://github.com/LeNPaul/academic/issues/6)
+- Create publications.html layout [#7](https://github.com/LeNPaul/academic/issues/7)
+- Create post.html layout [#8](https://github.com/LeNPaul/academic/issues/8)
+- Create cv.html layout [#9](https://github.com/LeNPaul/academic/issues/9)
+- Create contact.html layout [#10](https://github.com/LeNPaul/academic/issues/10)
+- Create course.html layout [#11](https://github.com/LeNPaul/academic/issues/11)
 
 ### Changed
-
-- Prepare theme to be published on RubyGems #12
+- Prepare theme to be published on RubyGems [#12](https://github.com/LeNPaul/academic/issues/12)