feat: new mp_dsmeta macro

tests/base/mp_dsmeta.test.sas

@@ -0,0 +1,32 @@
+/**
+  @file
+  @brief Testing mp_dsmeta.sas macro
+
+  <h4> SAS Macros </h4>
+  @li mp_assert.sas
+  @li mp_assertscope.sas
+  @li mp_dsmeta.sas
+
+**/
+
+data work.Example;
+  set sashelp.vmacro;
+run;
+
+%mp_assertscope(SNAPSHOT)
+%mp_dsmeta(work.example,outds=work.test)
+%mp_assertscope(COMPARE)
+
+proc sql noprint;
+select count(*) into nobs from work.test;
+select count(distinct ods_table) into: tnobs from work.test;
+
+%mp_assert(
+  iftrue=(&tnobs=2),
+  desc=Check that both ATTRIBUTES and ENGINEHOST are provided
+)
+%mp_assert(
+  iftrue=(&nobs>10),
+  desc=Check that sufficient details are provided
+)
+