Initial import of fitme3070.pt platform

Plain-PHP fleet platform with id.andmore.pt SSO. Wires shared/platform-tools
as a submodule (platform_update, backups, git/migration tools) like the other
platforms.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

site/assets/fonts/fontawesome/less/_stacked.less

@@ -0,0 +1,22 @@
+// Stacked Icons
+// -------------------------
+
+.@{fa-css-prefix}-stack {
+  display: inline-block;
+  height: 2em;
+  line-height: 2em;
+  position: relative;
+  vertical-align: middle;
+  width: 2em;
+}
+
+.@{fa-css-prefix}-stack-1x, .@{fa-css-prefix}-stack-2x {
+  left: 0;
+  position: absolute;
+  text-align: center;
+  width: 100%;
+}
+
+.@{fa-css-prefix}-stack-1x { line-height: inherit; }
+.@{fa-css-prefix}-stack-2x { font-size: 2em; }
+.@{fa-css-prefix}-inverse { color: @fa-inverse; }