[doc] auto update the CHANGELOG on stable releases

CHANGELOG.md

 # CHANGELOG
 
-## v1.9.0 (XX XXXX 2020)
+<!-- next-header -->
 
-## v1.8.0: (12th March 2020)
+## [Unreleased] - ReleaseDate
+
+## [1.8.0] - 2020-03-12
 
 ### Highlights
 
@@ -127,3 +129,7 @@ Thanks @bpresles, @c-geek
 ## v1.7.14 (29th March 2019)
 
 - … To be completed
+
+<!-- next-url -->
+[Unreleased]: https://git.duniter.org/nodes/typescript/duniter/compare/v1.8.0...HEAD
+[1.8.0]: https://git.duniter.org/nodes/typescript/duniter/compare/v1.7.21...v1.8.0

release.toml

@@ -17,9 +17,9 @@ pre-release-replacements = [
     # Duniter.iss (Windows installer)
     {file="release/arch/windows/duniter.iss", search="define MyAppVerStr \"v[0-9]+.[0-9]+.[0-9]+(-(alpha|beta|rc).[0-9]+)?\"", replace="define MyAppVerStr \"v{{version}}\"", exactly=1, prerelease=true},
     # CHANGELOG
-    #{file="CHANGELOG.md", search="Unreleased", replace="{{version}}"},
-    #{file="CHANGELOG.md", search="\\.\\.\\.HEAD", replace="...{{tag_name}}", exactly=1},
-    #{file="CHANGELOG.md", search="ReleaseDate", replace="{{date}}"},
-    #{file="CHANGELOG.md", search="<!-- next-header -->", replace="<!-- next-header -->\n\n## [Unreleased] - ReleaseDate"},
-    #{file="CHANGELOG.md", search="<!-- next-url -->", replace="<!-- next-url -->\n[Unreleased]: https://git.duniter.org/libs/dubp-rs-libs/compare/{{tag_name}}...HEAD", exactly=1},
+    {file="CHANGELOG.md", search="Unreleased", replace="{{version}}"},
+    {file="CHANGELOG.md", search="\\.\\.\\.HEAD", replace="...{{tag_name}}", exactly=1},
+    {file="CHANGELOG.md", search="ReleaseDate", replace="{{date}}"},
+    {file="CHANGELOG.md", search="<!-- next-header -->", replace="<!-- next-header -->\n\n## [Unreleased] - ReleaseDate"},
+    {file="CHANGELOG.md", search="<!-- next-url -->", replace="<!-- next-url -->\n[Unreleased]: https://git.duniter.org/libs/dubp-rs-libs/compare/{{tag_name}}...HEAD", exactly=1},
 ]