Initial QSfera import

Server/pkg/kql/doc.go

@@ -0,0 +1,27 @@
+/*
+Package kql provides the ability to work with kql queries.
+
+Not every aspect of the spec is implemented yet.
+The language support will grow over time if needed.
+
+The following spec parts are supported and tested:
+  - 2.1.2 AND Operator
+  - 2.1.6 NOT Operator
+  - 2.1.8 OR Operator
+  - 2.1.12 Parentheses
+  - 2.3.5 Date Tokens
+  - 3.1.11 Implicit Operator
+  - 3.1.12 Parentheses
+  - 3.1.2 AND Operator
+  - 3.1.6 NOT Operator
+  - 3.1.8 OR Operator
+  - 3.2.3 Implicit Operator for Property Restriction
+  - 3.3.1.1.1 Implicit AND Operator
+  - 3.3.5 Date Tokens
+
+References:
+  - https://learn.microsoft.com/en-us/sharepoint/dev/general-development/keyword-query-language-kql-syntax-reference
+  - https://learn.microsoft.com/en-us/openspecs/sharepoint_protocols/ms-kql/3bbf06cd-8fc1-4277-bd92-8661ccd3c9b0
+  - https://msopenspecs.azureedge.net/files/MS-KQL/%5bMS-KQL%5d.pdf
+*/
+package kql