Added alire instructions

Author: AJ-Ianozi

readme.md

@@ -12,11 +12,27 @@ Coming Soon:
 - ISO.Languages (ISO 639)
 
 ## Installation
-Coming Soon: Alire integration.
 
-The source files are currently being generated by another app written in Ada, but you don't need to run it in order to use this library, as I've already generated it.  For now, you can just download the ads and adb files under `/src`, or configure your [Alire Pins](https://alire.ada.dev/docs/#work-in-progress-dependency-overrides).
+### With [Alire](https://alire.ada.dev/)
 
-If you want to generate the source files yourself, see below.
+Be sure that you're using the latest community index:
+```sh
+alr index --update-all
+```
+
+To download and build:
+```sh
+alr get --build iso
+```
+
+To include it as a dependency in your Alire project:
+```sh
+alr with iso
+```
+
+### Without Alire
+
+If you don't use Alire, you can just download the ads and adb files under `/src` and include them in your project.
 
 ## Usage
 You can also read the [full API documentation](https://ada-iso.github.io/docs/index.html) which has been generated with [ROBODoc](https://github.com/gumpu/ROBODoc).
@@ -102,6 +118,11 @@ end;
 ```
 
 ## Generating an update
+
+The source files are currently being generated by another app written in Ada, but you don't need to run it in order to use this library, as I've already generated it.
+
+If you want to generate the source files yourself, this is how:
+
 1. Consolidating the reference files
    - For Countries:
       1. Visit the [Country Code Search](https://www.iso.org/obp/ui/#search/code/)