Drop .0 or .0.0 from version for display

src/app-config.php

@@ -3,6 +3,22 @@
 /** The current Feed Reader Central version */
 const FRC_VERSION = '1.0.0-alpha7';
 
+/**
+ * Drop .0 or .0.0 from the end of the version to format it for display
+ *
+ * @return string The version of the application for user display
+ */
+function display_version(): string {
+    [$major, $minor, $rev] = explode('.', FRC_VERSION);
+    $minor = $minor == '0' ? '' : ".$minor";
+    $rev = match (true) {
+        $rev == '0'                 => '',
+        str_starts_with($rev, '0-') => substr($rev, 1),
+        default                     => ".$rev"
+    };
+    return "v$major$minor$rev";
+}
+
 spl_autoload_register(function ($class) {
     $file = implode(DIRECTORY_SEPARATOR, [__DIR__, 'lib', "$class.php"]);
     if (file_exists($file)) {