📝 (README.md): fix markdown formatting for function list

Author: PMassicotte

README.md

@@ -59,9 +59,8 @@ devtools::install_github("ropensci/gitignore")
 
 There are currently two useful functions in the package:
 
-  - `gi_available_templates()` to fetch all supported gitignore
-    templates.
-  - `gi_fetch_templates()` to fetch one or many gitignore templates.
+- `gi_available_templates()` to fetch all supported gitignore templates.
+- `gi_fetch_templates()` to fetch one or many gitignore templates.
 
 Show the first 25 templates returned by `gi_available_templates()`.
 
@@ -245,4 +244,4 @@ Conduct](https://docs.ropensci.org/gitignore/CODE_OF_CONDUCT.html). By
 project](https://docs.ropensci.org/gitignore/CONTRIBUTING.html), you
 agree to abide by its terms.
 
-[![ropensci\_footer](https://ropensci.org/public_images/ropensci_footer.png)](https://ropensci.org)
+[![ropensci_footer](https://ropensci.org/public_images/ropensci_footer.png)](https://ropensci.org)