docs: Change link to blog post in Readme

CHANGELOG.md

@@ -1,6 +1,17 @@
 ### Changelog
 
-#### 2021.1.30 (beta)
+#### 2021.4.19
+released 2021-11-30
+
+* UI: Removed website links and e-mail addresses that are no longer valid ([#1230](https://github.com/CoatiSoftware/Sourcetrail/issues/1230))
+* Docs: Converted documentation to Markdown file to be accessible via GitHub
+* UI: Removed update check ([#1226](https://github.com/CoatiSoftware/Sourcetrail/issues/1226))
+* UI: fix extensive wait for short-lived processes ([#1227](https://github.com/CoatiSoftware/Sourcetrail/issues/1227))
+* Java: support Gradle 7 when copying (test) compile libs ([#1203](https://github.com/CoatiSoftware/Sourcetrail/issues/1203))
+* Code: Fix C/C++ keywords highlighted like functions ([#1197](https://github.com/CoatiSoftware/Sourcetrail/issues/1197))
+* UI: Added solarized color schemes ([#1195](https://github.com/CoatiSoftware/Sourcetrail/issues/1195))
+
+#### 2021.1.30
 released 2021-03-15
 
 * Java: Fixed Java path detection failures on linux ([#1138](https://github.com/CoatiSoftware/Sourcetrail/issues/1138))

README.md

@@ -1,6 +1,6 @@
 # Sourcetrail
 
-*__Important Note:__ This project will be archived by the original autors and current maintainers of Sourcetrail by the end of 2021. If you want to know more about this decision, read more on our [blog](https://www.sourcetrail.com/blog/discontinue_sourcetrail/).*
+*__Important Note:__ This project was archived by the original autors and maintainers of Sourcetrail by the end of 2021. If you want to know more about this decision, read more on our [blog](https://web.archive.org/web/20211119200517/https://www.sourcetrail.com/blog/).*
 
 Sourcetrail is a free and open-source cross-platform source explorer that helps you get productive on unfamiliar source code.