Refactor site configuration and color scheme management

- Replaced static config with dynamic site info context.
- Updated color scheme handling in various components to use site info.
- Removed deprecated config file and integrated site info fetching.
- Enhanced user preference page to allow color scheme selection.
- Adjusted blog and console components to reflect new site info structure.
- Improved error handling and fallback mechanisms for site info retrieval.

internal/repo/kv_test.go

@@ -1 +1,18 @@
 package repo
+
+import "testing"
+
+func TestKvRepo_GetKV(t *testing.T) {
+	err := KV.SetKV("AAA", map[string]interface{}{"b": 1, "c": "2"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	v, _ := KV.GetKV("AAA")
+	t.Log(v)
+	if v.(map[string]interface{})["b"] != float64(1) {
+		t.Fatal("b not equal")
+	}
+	if v.(map[string]interface{})["c"] != "2" {
+		t.Fatal("c not equal")
+	}
+}