Create 0018.md

Author: qjack001

src/pages/0018.md

@@ -0,0 +1,21 @@
+---
+title: '#18'
+author: Jack Guinane
+date: 2025-07-09
+layout: '../components/connections/Layout.astro'
+size: 1.3rem
+
+grid: [
+	BA,  DOC, BS,  MD,
+	RTF, VF,  SOL, MFA,
+	SSO, B,   OTP, TXT,
+	FU,  URL, OK,  AD,
+]
+
+groups: {
+	134B: Document extensions,
+	269C: Profanity abbreviations,
+	05EF: 2-letter magazine logos,
+	78AD: Modern login methods,
+}
+---