add result id to readme docs and fix resultPositionOnPage param in signature (#60)

Author: adetch

README.md

@@ -112,8 +112,8 @@ ConstructorIo.trackSearchSubmit("toothpicks", "tooth")
 // Track when search results are loaded into view (searchTerm, resultCount)
 ConstructorIo.trackSearchResultsLoaded("tooth", 789)
 
-// Track when a search result is clicked (itemName, customerId, searchTerm)
-ConstructorIo.trackSearchResultClick("Fashionable Toothpicks", "1234567-AB", "tooth")
+// Track when a search result is clicked (itemName, customerId, searchTerm, sectionName, resultId)
+ConstructorIo.trackSearchResultClick("Fashionable Toothpicks", "1234567-AB", "tooth", "Products", "179b8a0e-3799-4a31-be87-127b06871de2")
 
 // Track when a search result converts (itemName, customerId, revenue, searchTerm)
 ConstructorIo.trackConversion("Fashionable Toothpicks", "1234567-AB", 12.99, "tooth")
@@ -128,6 +128,6 @@ ConstructorIo.trackPurchase(arrayOf("1234567-AB", "1234567-AB"), 25.98, "ORD-131
 // Track when browse results are loaded into view (filterName, filterValue, resultCount)
 ConstructorIo.trackBrowseResultsLoaded("Category", "Snacks", 674)
 
-// Track when a browse result is clicked (filterName, filterValue, customerId, resultPositionOnPage)
-ConstructorIo.trackBrowseResultClick("Category", "Snacks", "7654321-BA", "4")
+// Track when a browse result is clicked (filterName, filterValue, customerId, resultPositionOnPage, sectionName, resultId)
+ConstructorIo.trackBrowseResultClick("Category", "Snacks", "7654321-BA", "4", "Products", "179b8a0e-3799-4a31-be87-127b06871de2")
 ```

library/src/main/java/io/constructor/core/ConstructorIo.kt

@@ -401,6 +401,7 @@ object ConstructorIo {
      * @param filterName the name of the primary filter, i.e. "Aisle"
      * @param filterValue the value of the primary filter, i.e. "Produce"
      * @param customerId the item identifier of the clicked item i.e "PUMP-KAB-0002"
+     * @param resultPositionOnPage the position of the clicked item on the page i.e. 4
      * @param sectionName the section that the results came from, i.e. "Products"
      * @param resultID the result ID of the browse response that the selection came from
      */