README update - add gedi-subsetter + typos

Author: h-a-graham

README.Rmd

@@ -30,7 +30,7 @@ achieve this:
 
 - Data are downloaded and converted to parquet files which can then be read using 
   [{arrow}](https://arrow.apache.org/docs/r/index.html) and converted to 
-  [sf](https://r-spatial.github.io/sf/) objects. This approach is performative 
+  [sf](https://r-spatial.github.io/sf/) objects. This approach is performant 
   as it only requires each entire granule to be loaded into memory once (when 
   it is converted from hdf5 to parquet). From here on we can use
   [dplyr](https://dplyr.tidyverse.org/) verbs (or base R) to `filter`, 
@@ -195,7 +195,13 @@ knitr::include_graphics("man/figures/README-show-2a-data-1.png")
 ```
 
 
-## Other relevant packages/software
+## Other relevant software
+
+- [gedi-subsetter](https://github.com/MAAP-Project/gedi-subsetter) provides a
+  selection of python tools for querying and downloading GEDI data. Its scope
+  is similar to {chewie} but it also provides direct access to the hdf5 files 
+  for nasa affiliates with access to the MAAP platform.
+  
 - [{rGEDI}](https://github.com/carlos-alberto-silva/rGEDI) provides the ability
 download GEDI data but also a great deal of additional functionality for 
 visualisation, post-processing and modelling.

README.md

@@ -22,7 +22,7 @@ achieve this:
 - Data are downloaded and converted to parquet files which can then be
   read using [{arrow}](https://arrow.apache.org/docs/r/index.html) and
   converted to [sf](https://r-spatial.github.io/sf/) objects. This
-  approach is performative as it only requires each entire granule to be
+  approach is performant as it only requires each entire granule to be
   loaded into memory once (when it is converted from hdf5 to parquet).
   From here on we can use [dplyr](https://dplyr.tidyverse.org/) verbs
   (or base R) to `filter`, `mutate` and `select` data as required
@@ -176,7 +176,13 @@ chewie_show(
 
 <img src="man/figures/README-show-2a-data-1.png" width="100%" />
 
-## Other relevant packages/software
+## Other relevant software
+
+- [gedi-subsetter](https://github.com/MAAP-Project/gedi-subsetter)
+  provides a selection of python tools for querying and downloading GEDI
+  data. Its scope is similar to {chewie} but it also provides direct
+  access to the hdf5 files for nasa affiliates with access to the MAAP
+  platform.
 
 - [{rGEDI}](https://github.com/carlos-alberto-silva/rGEDI) provides the
   ability download GEDI data but also a great deal of additional