Tutorial for integration with R

RELEASE_NOTES.md

@@ -14,6 +14,7 @@ starting with `data` will be parsed for timeseries data.
 - [#491](https://github.com/IAMconsortium/pyam/pull/491) Allow loading meta from file without exclude columns or with empty rows
 - [#488](https://github.com/IAMconsortium/pyam/pull/488) Read all sheets starting with `data` when reading from xlsx
 - [#486](https://github.com/IAMconsortium/pyam/pull/486) Enable reading non-default scenario versions from IIASA API
+- [#483](https://github.com/IAMconsortium/pyam/pull/483) Add a tutorial for integration with R
 - [#481](https://github.com/IAMconsortium/pyam/pull/481) Enable custom index columns
 - [#477](https://github.com/IAMconsortium/pyam/pull/477) Add a nightly test suite
 - [#476](https://github.com/IAMconsortium/pyam/pull/476) Add docstrings to plotting functions `df.plot.<kind>()`
@@ -23,8 +24,8 @@ starting with `data` will be parsed for timeseries data.
 
 ## Highlights
 
- - Refactor the plotting library for better UX and consistency with **pandas**,
-   **matplotlib** and **seaborn**.
+ - Refactor the plotting library for better UX and consistency
+   with **pandas**, **matplotlib** and **seaborn**.
  - Add a `sankey()` feature to the plotting library.
  - Rework the documentation and tutorials.