add Request struct to the TripAdvisor package

.gitignore

@@ -111,7 +111,6 @@ review.csv
 **source
 **Default
 **DevToolsActivePort
-**pkg
 **Project_Files
 **tmp
 **.DS_Store

scraper/pkg/tripadvisor/tripadvisor.go

@@ -0,0 +1,25 @@
+package tripadvisor
+
+// Request is a struct that represents the request body to query TripAdvisor endpoints.
+type Request []struct {
+	Variables struct {
+		LocationID int `json:"locationId"`
+		Offset     int `json:"offset"`
+		Filters    []struct {
+			Axis       string   `json:"axis"`       // "LANGUAGE"
+			Selections []string `json:"selections"` // ["en"]
+		} `json:"filters"`
+		Prefs        any `json:"prefs"` // null
+		InitialPrefs struct {
+		} `json:"initialPrefs"` // empty struct
+		Limit          int    `json:"limit"`
+		FilterCacheKey any    `json:"filterCacheKey"` // null
+		PrefsCacheKey  string `json:"prefsCacheKey"`  // format "locationReviewPrefs_<localtionID>"
+		NeedKeywords   bool   `json:"needKeywords"`   // false
+		KeywordVariant string `json:"keywordVariant"`
+	} `json:"variables"`
+	Extensions struct {
+		// Hotel, Restaurant, Airline, etc all have different pre-registered query IDs.
+		PreRegisteredQueryID string `json:"preRegisteredQueryId"`
+	} `json:"extensions"`
+}