add manifest gha (#427)

* add manifest gha

* only include pypi requirements

.github/workflows/ci-manifest.yml

@@ -0,0 +1,23 @@
+name: ci-manifest
+
+on:
+  pull_request:
+    branches:
+      - "*"
+
+  push:
+    branches-ignore:
+      - "auto-update-lockfiles"
+      - "pre-commit-ci-update-config"
+      - "dependabot/*"
+
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  manifest:
+    name: "check-manifest"
+    uses: scitools/workflows/.github/workflows/[email protected]

MANIFEST.in

@@ -0,0 +1,14 @@
+prune .github
+prune .nox
+prune docs
+prune requirements
+recursive-include requirements *.txt
+recursive-include iris_grib *.cml *.grib2 *.json *.nc *.py
+
+exclude .coveragerc
+exclude .flake8
+exclude .gitignore
+exclude .pre-commit-config.yaml
+exclude .readthedocs.yml
+include *.md
+include *.py