ui: separate the header ICCID from the ADM badge

- the ADM badge gets ml-2 (was ml-0.5), so the ICCID digits and the ADM
  indicator no longer run together in the header
- SW cache simple-v198

frontend/index.html

@@ -24,7 +24,7 @@
 				<span id="state-indicator-dot" class="text-xs text-gray-400" title="Connecting...">●</span>
 				<img id="state-indicator-img" class="hidden dark:invert" style="width:30px;height:30px" alt="" src="nosim.svg">
 				<span id="state-indicator-iccid" class="hidden ml-0.5 text-xs font-mono text-gray-500 dark:text-slate-400 whitespace-nowrap"></span>
-				<span id="state-indicator-adm" class="hidden ml-0.5 text-xs font-mono" title=""></span>
+				<span id="state-indicator-adm" class="hidden ml-2 text-xs font-mono" title=""></span>
 			</span>
 			<button id="install-btn" class="px-2 py-1 text-xs rounded border border-gray-300 dark:border-slate-600 hover:bg-gray-200 dark:hover:bg-slate-700" style="display:none">INSTALL PWA [for offline use]</button>
 			<a href="https://github.com/anttro/simple" target="_blank" class="text-xs text-gray-400 hover:text-gray-600 dark:text-slate-500 dark:hover:text-slate-300">github</a>

frontend/sw.js

@@ -1,4 +1,4 @@
-const CACHE = 'simple-v197';
+const CACHE = 'simple-v198';
 const URLS = [
   'index.html',
   'help.html',