add geolocation functionality

1 files changed, 24 insertions, 2 deletions

diff --git a/README.md b/README.md
index 39f6c48..e1231b3 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,4 @@
-ifconfig.php
-============
+# ifconfig.php
 
 **Simple PHP script to show IP address, UserAgent and other info**
 
@@ -27,3 +26,26 @@ With this code in the .htaccess file there is no need to type out the full URL,
 Instead, you can just open 'ifconfig/xml' to get XML output or 'ifconfig/ua' to determine useragent.
 
 Run `curl -L -X GET https://ip.cleberg.net/\?q\=text` in Linux terminal to get some info.
+
+## Development
+
+First, install PHP and Composer. For Fedora, run:
+
+```bash
+sudo dnf install php-cli composer
+```
+
+If applicable, install or update the maxmind-db dependency:
+
+```bash
+composer require maxmind-db/reader:~1.0
+
+# to update, run:
+composer update
+```
+
+Next, you can launch a dev server to test any of your changes:
+
+```bash
+sudo php --server localhost:8080 --docroot  .
+```