chore: establish Ekklesia platform foundation

vitest.config.ts

@@ -0,0 +1,12 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    coverage: {
+      provider: "v8",
+      reporter: ["text", "json", "html"],
+    },
+    include: ["tests/**/*.test.ts"],
+    passWithNoTests: false,
+  },
+});