update modulemd etc

gating.yaml

@@ -0,0 +1,7 @@
+--- !Policy
+product_versions:
+  - rhel-8
+decision_context: osci_compose_gate_modules
+subject_type: redhat-module
+rules:
+  - !PassingTestCaseRule {test_case_name: baseos-ci.redhat-module.tier1.functional}

mercurial.yaml

@@ -0,0 +1,39 @@
+---
+document: modulemd
+version: 2
+data:
+  name: mercurial
+  stream: 6.2
+  summary: Mercurial -- a distributed SCM
+  description: >-
+    Mercurial is a fast, lightweight source control management system designed for
+    efficient handling of very large distributed projects.
+  license:
+    module:
+    - MIT
+  dependencies:
+  - buildrequires:
+      platform: [el8]
+      python36: [3.6]
+    requires:
+      platform: [el8]
+      python36: [3.6]
+  references:
+    community: https://www.mercurial-scm.org/
+    documentation: https://www.mercurial-scm.org/guide
+    tracker: https://www.mercurial-scm.org/wiki/BugTracker
+  profiles:
+    common:
+      rpms:
+      - mercurial
+  api:
+    rpms:
+    - mercurial
+    - mercurial-hgk
+    - mercurial-chg
+  components:
+    rpms:
+      mercurial:
+        rationale: Mercurial -- a distributed SCM
+        ref: stream-mercurial-6.2-rhel-8.8.0
+...