Feature/182 setup actions (#186)

* Create scripts

* Create github workflows

* Create initial DB migration script

* Make default bot prefix configurable

* Add bot token fetcher

.github/workflows/integration.yml

@@ -0,0 +1,20 @@
+name: integration
+
+on:
+  push:
+    branches:
+      - feature/*
+      - hotfix/*
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build and Test
+        uses: actions/setup-node@v1
+        with:
+          node-version: 16.x
+      - run: yarn install --frozen-lockfile
+      - run: yarn build
+      - run: yarn test