feat: support vision

- Added new dependencies: `github.com/fsnotify/fsnotify v1.4.9`, `github.com/go-playground/assert/v2 v2.2.0`, `github.com/nxadm/tail v1.4.8`, `github.com/onsi/ginkgo v1.16.5`, `github.com/onsi/gomega v1.18.1`, `golang.org/x/net v0.10.0`, `gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7`
- Updated dependencies: `github.com/gin-gonic/gin` from v1.9.0 to v2.0.0, `golang.org/x/net` from v0.17.0 to v0.10.0
- Removed dependencies: `github.com/golang-jwt/jwt v3.2.2+incompatible`, `github.com/gorilla/websocket v1.5.1`
- Updated Go version from `1.18` to `1.21`
- Made various modifications and refactoring in the code:
  - Added new struct `VisionMessage` with fields `Role`, `Content`, and `Name`
  - Added constants for certain types
  - Added methods and error handling to handle different message types
  - Modified existing struct and methods to accommodate changes
  - Removed unused imports

controller/relay-claude.go

@@ -4,11 +4,13 @@ import (
 	"bufio"
 	"encoding/json"
 	"fmt"
-	"github.com/gin-gonic/gin"
 	"io"
+	"log"
 	"net/http"
 	"one-api/common"
 	"strings"
+
+	"github.com/gin-gonic/gin"
 )
 
 type ClaudeMetadata struct {
@@ -64,7 +66,13 @@ func requestOpenAI2Claude(textRequest GeneralOpenAIRequest) *ClaudeRequest {
 		claudeRequest.MaxTokensToSample = 1000000
 	}
 	prompt := ""
-	for _, message := range textRequest.Messages {
+
+	messages, err := textRequest.TextMessages()
+	if err != nil {
+		log.Panicf("invalid message type: %T", textRequest.Messages)
+	}
+
+	for _, message := range messages {
 		if message.Role == "user" {
 			prompt += fmt.Sprintf("\n\nHuman: %s", message.Content)
 		} else if message.Role == "assistant" {