ARROW-13616: [R] Cheat Sheet Structure

TODOs:
Convert cheat sheet to PDF and hide slide #1.

Closes apache#12445 from pachadotdev/patch-4

Lead-authored-by: Stephanie Hazlitt <[email protected]>
Co-authored-by: Pachá <[email protected]>
Co-authored-by: Mauricio Vargas <[email protected]>
Co-authored-by: Pachá <[email protected]>
Signed-off-by: Jonathan Keane <[email protected]>

r/.Rbuildignore

@@ -27,3 +27,4 @@ clang_format.sh
 STYLE.md
 ^.lintr
 ^.styler_excludes.R
+^cheatsheet$

r/README.md

@@ -310,6 +310,8 @@ Other applications of `arrow` are described in the following vignettes:
 -   `vignette("arrow", package = "arrow")`: access and manipulate Arrow
     objects through low-level bindings to the C++ library
 
+The Arrow for R [cheatsheet](https://github.com/apache/arrow/blob/-/r/cheatsheet/arrow.pdf) and [Cookbook](https://arrow.apache.org/cookbook/r/index.html) are additional resources for getting started with `arrow`.
+
 ## Getting help
 
 If you encounter a bug, please file an issue with a minimal reproducible

r/cheatsheet/README.md

@@ -0,0 +1,25 @@
+<!---
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied.  See the License for the
+  specific language governing permissions and limitations
+  under the License.
+-->
+
+### arrow-cheatsheet
+
+* The `powerpoint/arrow-cheatsheet.pptx` file was built in and exported from Google Slides
+* The arrow cheatsheet leverages some design elements from the official [RStudio cheatsheet template](https://github.com/rstudio/cheatsheets) ([CC-BY-4.0](https://github.com/rstudio/cheatsheets/blob/main/LICENSE))
+* The official Apache Arrow hex sticker is sourced from <https://arrow.apache.org/visual_identity/>
+* To suggest changes or update the cheatsheet, please download and edit the `arrow-cheatsheet.pptx` file, and provide the revised `.pptx` and rendered PDF via a Pull Request to the repository (see [Pull request and review guidelines for help](https://arrow.apache.org/docs/developers/contributing.html))