Initial commit: OAuth IAM Laravel application

Laravel-based OAuth/IAM service with Passport, Vue 3 frontend, and
Docker Compose setup for local and production deployment.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

resources/scss/base/_reset.scss

@@ -0,0 +1,50 @@
+// Reset mínimo moderno — sin Tailwind Preflight, hace falta esto a mano.
+*,
+*::before,
+*::after {
+    box-sizing: border-box;
+    margin: 0;
+    padding: 0;
+}
+
+html {
+    -webkit-text-size-adjust: 100%;
+    tab-size: 4;
+}
+
+img,
+svg,
+video,
+canvas {
+    display: block;
+    max-width: 100%;
+}
+
+button,
+input,
+select,
+textarea {
+    font: inherit;
+    color: inherit;
+    background: transparent;
+    border: none;
+}
+
+button {
+    cursor: pointer;
+}
+
+a {
+    color: inherit;
+    text-decoration: none;
+}
+
+ul,
+ol {
+    list-style: none;
+}
+
+table {
+    border-collapse: collapse;
+    width: 100%;
+}