feat: add new file renaming functionality

Author: mehalter

src/content/docs/mappings.mdx

@@ -25,6 +25,7 @@ AstroNvim generally relies on `<Leader>` driven mappings, which is default set t
 | Force Write                 | `Ctrl + s`          |
 | Force Quit                  | `Ctrl + q`          |
 | New File                    | `Leader + n`        |
+| Rename Current File         | `Leader + R`        |
 | Close Buffer                | `Leader + c`        |
 | Next Tab (real vim tab)     | `]t`                |
 | Previous Tab (real vim tab) | `[t`                |
@@ -59,7 +60,7 @@ AstroNvim generally relies on `<Leader>` driven mappings, which is default set t
 
 | Action                    | Mappings      |
 | ------------------------- | ------------- |
-| Open Quickfix List        | `Leader + xq`  |
+| Open Quickfix List        | `Leader + xq` |
 | Next Quickfix Entry       | `]q`          |
 | Previous Quickfix Entry   | `[q`          |
 | Last Quickfix Entry       | `]Q`          |

src/content/docs/reference/autocmds.mdx

@@ -44,6 +44,14 @@ Neovim autocmd events, check the help page with `:h autocmd-events`.
   `:AstroMasonUpdateAll`. `AstroMasonUpdateCompleted` is triggered after all of the
   available updates have been applied.
 
+- `AstroRenameFilePre`: AstroCore provides a `rename_file` method for easily
+  renaming files. `AstroRenameFilePre` is triggered immediately prior to
+  performing the file rename.
+
+- `AstroRenameFilePost`: AstroCore provides a `rename_file` method for easily
+  renaming files. `AstroRenameFilePost` is triggered immediately after performing
+  the file rename.
+
 ### Example Autocommand Usage
 
 Just to demonstrate the usage of `User` autocommand events in Neovim here is an