Add score column to search_queries (#6253)

* Add score column to search_queries

* Allow user to record search score

server/models/SearchQuery.ts

@@ -30,12 +30,27 @@ class SearchQuery extends Model {
   @CreatedAt
   createdAt: Date;
 
+  /**
+   * Where the query originated.
+   */
   @Column(DataType.ENUM("slack", "app", "api"))
   source: string;
 
+  /**
+   * The number of results returned for this query.
+   */
   @Column
   results: number;
 
+  /**
+   * User score for the results for this query, -1 for negative, 1 for positive, null for neutral.
+   */
+  @Column
+  score: number;
+
+  /**
+   * The query string, automatically truncated to 255 characters.
+   */
   @Column(DataType.STRING)
   set query(value: string) {
     this.setDataValue("query", value.substring(0, 255));