style(zm): add conda auto release (#148)

.github/workflows/release_conda.yml

+name: publish_conda
+
+on:
+  release:
+    types: [published]
+    
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: publish-to-conda
+      uses: fcakyon/conda-publish-action@v1.3
+      with:
+        subdir: 'conda'
+        anacondatoken: ${{ secrets.ANACONDA_TOKEN }}
+        platforms: 'linux'
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conda/conda_build_config.yaml

+python:
+  - 3.6
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conda/meta.yaml

+{% set data = load_setup_py_data() %}
+package:
+  name: di-engine
+  version: v0.2.2
+
+source:
+  path: ..
+
+build:
+  number: 0
+  script: python -m pip install . -vv
+  entry_points:
+    - ding = ding.entry.cli:cli
+
+requirements:
+  build:
+    - python
+    - setuptools
+  run:
+    - python
+
+test:
+  imports:
+    - ding
+    - dizoo
+
+about:
+  url: https://github.com/opendilab/DI-engine
+  license: Apache-2.0
+  license_file: LICENSE
+  summary: DI-engine is a generalized Decision Intelligence engine.
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