feat(rental): add inventory and condition reports (#7)

frontend/src/app/components/private-area-editor/private-area-editor.css

@@ -0,0 +1,17 @@
+.private-areas {
+  display: grid;
+  gap: 12px;
+}
+.private-areas fieldset {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
+  gap: 12px;
+}
+.private-areas label {
+  display: grid;
+  gap: 4px;
+}
+.private-areas input,
+.private-areas select {
+  min-height: 40px;
+}