feat: Update Fiber version to v2 and update internal controller and search logic to use new index module

internal/controller/index.go

@@ -1,9 +1,23 @@
 package controller
 
 import (
-	"github.com/gofiber/fiber/v3"
+	"git.dev-null.rocks/alexohneander/gosearch/pkg/index"
+	"github.com/gofiber/fiber/v2"
 )
 
-func Index(c fiber.Ctx) error {
-	return c.SendString("Hello, World!")
+type Document struct {
+	Url     string `json:"url" xml:"url" form:"url"`
+	Content string `json:"content" xml:"content" form:"content"`
+}
+
+func AddDocumentToIndex(c *fiber.Ctx) error {
+	doc := new(Document)
+
+	if err := c.BodyParser(doc); err != nil {
+		return err
+	}
+
+	index.AddDocToIndex(doc.Url, doc.Content)
+
+	return c.SendString("Document added")
 }