feat(blume): add initial Blume site configuration

blume.config.ts

@@ -0,0 +1,15 @@
+import { defineConfig } from "blume";
+
+export default defineConfig({
+  title: "dots",
+  description:
+    "prdlk's dotfiles, managed with chezmoi: shells, terminals, TUI tools, the Linux desktop, and AI agent config.",
+  github: {
+    owner: "prdlk",
+    repo: "dotfiles",
+    branch: "master",
+  },
+  deployment: {
+    site: "https://dots.prd.lk",
+  },
+});