SourceLevelDebugPkg: Add package CI YAML file

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=4091

Adds the package as a supported package to .pytool/CISettings.py
and adds a CI YAML for the package so it can be run in CI.

Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>

.pytool/CISettings.py

@@ -73,6 +73,7 @@ class Settings(CiBuildSettingsManager, UpdateSettingsManager, SetupSettingsManag
                 "UnitTestFrameworkPkg",
                 "OvmfPkg",
                 "RedfishPkg",
+                "SourceLevelDebugPkg",
                 "UefiPayloadPkg"
                 )