feat: initial open-source release of Pipely

OTA update server designed for high-concurrency, low-bandwidth deployments.
GORM-backed PostgreSQL, JWT auth, device management, artefact versioning,
deployment rollout with gated rate-limited downloads, and a React admin panel.

web/src/pages/Login.css

@@ -0,0 +1,81 @@
+.login-page {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 100vh;
+  background: #1a1a2e;
+}
+
+.login-form {
+  background: #fff;
+  padding: 40px;
+  border-radius: 8px;
+  width: 360px;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
+}
+
+.login-form h1 {
+  margin: 0 0 4px;
+  font-size: 22px;
+  color: #e94560;
+}
+
+.login-subtitle {
+  margin: 0 0 24px;
+  color: #888;
+  font-size: 13px;
+}
+
+.login-error {
+  background: #fff0f0;
+  color: #c00;
+  padding: 8px 12px;
+  border-radius: 4px;
+  margin-bottom: 16px;
+  font-size: 13px;
+}
+
+.login-form label {
+  display: block;
+  margin-bottom: 16px;
+  font-size: 13px;
+  color: #333;
+}
+
+.login-form input {
+  display: block;
+  width: 100%;
+  margin-top: 4px;
+  padding: 10px 12px;
+  border: 1px solid #ddd;
+  border-radius: 4px;
+  font-size: 14px;
+  box-sizing: border-box;
+}
+
+.login-form input:focus {
+  outline: none;
+  border-color: #e94560;
+  box-shadow: 0 0 0 2px rgba(233, 69, 96, 0.15);
+}
+
+.btn-primary {
+  width: 100%;
+  padding: 10px;
+  background: #e94560;
+  color: #fff;
+  border: none;
+  border-radius: 4px;
+  font-size: 14px;
+  cursor: pointer;
+  transition: background 0.15s;
+}
+
+.btn-primary:hover {
+  background: #d63850;
+}
+
+.btn-primary:disabled {
+  background: #ccc;
+  cursor: not-allowed;
+}