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/controller/v1/misc.go

@@ -1 +1,64 @@
 package v1
+
+import (
+	"context"
+
+	"github.com/cloudwego/hertz/pkg/app"
+	"github.com/cloudwego/hertz/pkg/common/utils"
+	"github.com/snowykami/neo-blog/internal/repo"
+	"github.com/snowykami/neo-blog/pkg/resps"
+)
+
+const (
+	KeySiteInfo = "site_info"
+)
+
+type MiscController struct{}
+
+func NewMiscController() *MiscController {
+	return &MiscController{}
+}
+
+func (mc *MiscController) GetSiteInfo(ctx context.Context, c *app.RequestContext) {
+	value, err := repo.KV.GetKV(KeySiteInfo, utils.H{
+		"metadata": utils.H{
+			"name":        "Neo Blog S",
+			"icon":        "https://cdn.liteyuki.org/snowykami/avatar.jpg",
+			"description": "A neo blog system.",
+		},
+		"color_schemes": []string{"blue", "green", "orange", "red", "rose", "violet", "yellow"},
+		"default_cover": "https://cdn.liteyuki.org/blog/background.png",
+		"owner": utils.H{
+			"name":        "SnowyKami",
+			"description": "A full-stack developer.",
+			"avatar":      "https://cdn.liteyuki.org/snowykami/avatar.jpg",
+		},
+		"posts_per_page":            9,
+		"comments_per_page":         8,
+		"verify_code_cool_down":     60,
+		"animation_duration_second": 0.618,
+		"footer": utils.H{
+			"text":  "Liteyuki ICP 114514",
+			"links": []string{"https://www.liteyuki.com/"},
+		},
+	})
+	if err != nil {
+		resps.InternalServerError(c, err.Error())
+		return
+	}
+	resps.Ok(c, "", value)
+}
+
+func (mc *MiscController) SetSiteInfo(ctx context.Context, c *app.RequestContext) {
+	data := make(map[string]interface{})
+	err := c.BindAndValidate(&data)
+	if err != nil {
+		resps.BadRequest(c, err.Error())
+		return
+	}
+	err = repo.KV.SetKV(KeySiteInfo, data)
+	if err != nil {
+		resps.InternalServerError(c, err.Error())
+	}
+	resps.Ok(c, "", nil)
+}