Add missing file for password inputs

customize.dist/src/less2/include/password-input.less

@@ -0,0 +1,13 @@
+.password_main() {
+    .cp-password-container {
+        display: flex;
+        align-items: center;
+        input {
+            flex: 1;
+            min-width: 0;
+        }
+        label, .fa {
+            margin-left: 10px;
+        }
+    }
+}