CI ports from Travis CI (#3435)

* Attempt 1, I suppose.

* Add the remaining 2 out of 3 jobs

* Spacing matters T_T

* So does formatting...

* More formatting fixing.

* First attempt at postgres services.

* Postgres attempt 2

* Update tests.yml

Flatten a python version I suppose.

* Update tests.yml

* Update tests.yml

* Update tests.yml

* Update tests.yml

* I wonder if this works lmao

* this is fun™

* let's go back

* add fail-fast

* Added publishing workflows

Co-authored-by: jack1142 <6032823+jack1142@users.noreply.github.com>

.github/CODEOWNERS

@@ -62,3 +62,4 @@ redbot/setup.py                     @tekulvw
 # Others
 .travis.yml                         @Kowlin
 crowdin.yml                         @Kowlin
+.github/workflows/*                 @Kowlin

.github/workflows/publish_crowdin.yml

@@ -0,0 +1,28 @@
+name: Publish to Crowdin
+on:
+  push:
+    tags:
+    - "*"
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v1
+      with:
+        python-version: '3.8'
+    - name: Install dependencies
+      run: |
+        curl https://artifacts.crowdin.com/repo/GPG-KEY-crowdin | sudo apt-key add -
+        echo "deb https://artifacts.crowdin.com/repo/deb/ /" | sudo tee -a /etc/apt/sources.list
+        sudo apt-get update -qq
+        sudo apt-get install -y crowdin
+        pip install redgettext==3.1
+    - name: Publish
+      env:
+        CROWDIN_API_KEY: ${{ secrets.crowdin_token}}
+        CROWDIN_PROJECT_ID: ${{ secrets.crowdin_identifier }}
+      run: |
+        make upload_translations

.github/workflows/publish_pypi.yml

@@ -0,0 +1,26 @@
+name: Publish to PyPI
+on:
+  push:
+    tags:
+     - "*"
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v1
+      with:
+        python-version: '3.8'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install setuptools wheel twine
+    - name: Build and publish
+      env:
+        TWINE_USERNAME: __token__
+        TWINE_PASSWORD: ${{ secrets.pypi_token }}
+      run: |
+        python setup.py sdist bdist_wheel
+        twine upload dist/*

.github/workflows/tests.yml

@@ -0,0 +1,73 @@
+name: Tests
+on: [push, pull_request]
+
+jobs:
+    tox:
+      runs-on: ubuntu-latest
+      strategy:
+        matrix:
+          python_version:
+            - "3.8"
+          tox_env:
+            - py
+            - style
+            - docs
+          include:
+            - tox_env: py
+              friendly_name: Tests
+            - tox_env: style
+              friendly_name: Style
+            - tox_env: docs
+              friendly_name: Docs
+        fail-fast: false
+      name: Tox - ${{ matrix.friendly_name }}
+      steps:
+        - uses: actions/checkout@v2
+        - name: Set up Python
+          uses: actions/setup-python@v1
+          with:
+            python-version: ${{ matrix.python_version }}
+        - name: Install tox
+          run: |
+            python -m pip install --upgrade pip
+            pip install tox
+        - name: Tox test
+          env:
+            TOXENV: ${{ matrix.tox_env }}
+          run: tox
+
+    tox-postgres:
+      runs-on: ubuntu-latest
+      strategy:
+        matrix:
+          python_version:
+            - "3.8"
+        fail-fast: false
+      name: Tox - Postgres
+      services:
+        postgresql:
+          image: postgres:10
+          ports:
+            - 5432:5432
+          env:
+            POSTGRES_DB: red_db
+            POSTGRES_PASSWORD: postgres
+            POSTGRES_USER: postgres
+      steps:
+        - uses: actions/checkout@v2
+        - name: Set up Python
+          uses: actions/setup-python@v1
+          with:
+            python-version: ${{ matrix.python_version }}
+        - name: Install tox
+          run: |
+            python -m pip install --upgrade pip
+            pip install tox
+        - name: Tox test
+          env:
+            TOXENV: postgres
+            PGDATABASE: red_db
+            PGUSER: postgres
+            PGPASSWORD: postgres
+            PGPORT: 5432
+          run: tox