Add Gruvbox share theme + blog system for Trilium (anonymized)

Blog generator, publish manager, share scripts, theme CSS, highlight.js
bundles, font, favicon, templates and generated-reference outputs, plus an
English installation guide.

scripts/blog_card_click.js

@@ -0,0 +1,14 @@
+<script>
+(function () {
+    document.addEventListener("click", function (e) {
+        if (e.defaultPrevented) return;
+        var card = e.target.closest(".blog-post");
+        if (!card) return;
+        if (e.target.closest("a")) return;
+        var link = card.querySelector(".blog-post-title a");
+        if (!link) return;
+        e.preventDefault();
+        window.location.href = link.getAttribute("href");
+    });
+})();
+</script>