moved changelog from pear-docs and update it

CHANGELOG.md

@@ -1,5 +1,36 @@
 # Pear Desktop Changelog
 
+## v1.2.0
+
+### Features
+- Added pear-docs as a submodule.
+
+### UX/UI Improvements
+- Adapted header css to new platform title bar.
+- Updated documentation.
+
+## v1.1.0
+
+### Features
+- Label Pear API's as experimental.
+- Added guide on terminal debuging.
+- Added 'Apps' section and keet.md.
+- Added note on Bare Runtime + cross platform app example.
+- Added update button.
+- Removed deprecated bultinMaps configuration from documentation.
+- Implemented anchor auto scroll on navigation.
+
+### UX/UI Improvements
+- Improved system path setup UI.
+- Various typo fixes.
+- Language improvements.
+
+### Fixes
+- Windows - System Path Setup is manual only for now.
+- Fixed navigation after Pear installation.
+- Path text is selectable in installation screen.
+- Fixed indexes for Gitbook and Pear-Desktop app.
+
 ## v1.0.0
 
-First public release 🍐
+First public release 🍐