fix: format all Go files with gofmt

- Fix alignment in struct fields (sessionProfileResponse, textureInfo, Handler)
- Align struct field values in internal/templates/templates.go, internal/api/api.go

internal/api/api.go

@@ -122,8 +122,8 @@ type textureInfo struct {
 
 // Mojang session server profile response (for game client).
 type sessionProfileResponse struct {
-	ID    string              `json:"id"`
-	Name  string              `json:"name"`
+	ID    string               `json:"id"`
+	Name  string               `json:"name"`
 	Props []sessionProfileProp `json:"properties"`
 }