Created a script to get the count of incidents by priority under each category. (#1617)

Author: vijaytalupula

GlideAggregate/List the incident priority count under each category/code.js

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+// Get the count of Incidents by Category and then by Priority.
+
+var incCATGR = new GlideAggregate('incident');
+incCATGR.addAggregate('COUNT', 'category');
+incCATGR.orderBy('category');
+incCATGR.query();
+
+while (incCATGR.next()) {
+	var cat = incCATGR.category;
+	gs.print("Category Name: " +incCATGR.category.getDisplayValue() + ' --> ' + incCATGR.getAggregate('COUNT', 'category'));
+  var incPriorityGR = new GlideAggregate('incident');
+	incPriorityGR.addQuery('category', incCATGR.category);
+  incPriorityGR.addAggregate('COUNT', 'priority');
+	incPriorityGR.orderBy('priority');
+  incPriorityGR.query();
+
+	while(incPriorityGR.next()){
+    gs.print("Priority-" +incPriorityGR.priority + " = " +incPriorityGR.getAggregate('COUNT', 'priority'));
+	}
+}

GlideAggregate/List the incident priority count under each category/readme.MD

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+Purpose: This piece of code will be helpful to get the count of incidents by Priority under each Category.
+
+Sample Output:
+==============
+*** Script: Category Name:  --> 4
+*** Script: Priority-1 = 2
+*** Script: Priority-2 = 1
+*** Script: Priority-4 = 1
+*** Script: Category Name: Database --> 3
+*** Script: Priority-1 = 1
+*** Script: Priority-4 = 1
+*** Script: Priority-5 = 1
+*** Script: Category Name: Hardware --> 10
+*** Script: Priority-1 = 5
+*** Script: Priority-3 = 2
+*** Script: Priority-5 = 3
+*** Script: Category Name: Inquiry / Help --> 84
+*** Script: Priority-1 = 10
+*** Script: Priority-2 = 2
+*** Script: Priority-3 = 13
+*** Script: Priority-4 = 17
+*** Script: Priority-5 = 42
+*** Script: Category Name: Network --> 12
+*** Script: Priority-1 = 2
+*** Script: Priority-2 = 2
+*** Script: Priority-3 = 1
+*** Script: Priority-4 = 2
+*** Script: Priority-5 = 5
+*** Script: Category Name: Software --> 131
+*** Script: Priority-1 = 15
+*** Script: Priority-2 = 15
+*** Script: Priority-3 = 23
+*** Script: Priority-4 = 28
+*** Script: Priority-5 = 50
+
+
+