feat: add support for updating multiple slack teams and slack apps

BREAKING CHANGE: This requires a completely new configuration format but
everything else should remain the same.

Closes #106
Closes #99

.eslintrc.js

@@ -2,8 +2,7 @@ module.exports = {
   extends: [
     'standard-with-typescript',
     'prettier',
-    'prettier/@typescript-eslint',
-    'prettier/react'
+    'prettier/@typescript-eslint'
   ],
   plugins: ['prettier'],
   rules: {
@@ -18,4 +17,3 @@ module.exports = {
     }
   }
 }
-

.gitignore

@@ -1,2 +1,2 @@
 dist
-.track.json
+data/

.prettierrc.js

@@ -0,0 +1,6 @@
+module.exports = {
+  trailingComma: 'none',
+  semi: false,
+  singleQuote: true,
+  arrowParens: 'avoid'
+}

Dockerfile

@@ -11,6 +11,7 @@ RUN npm install --production
 
 FROM node:12-alpine
 WORKDIR /app
+RUN mkdir -p /app/data
 RUN apk --no-cache update && \
     apk --no-cache add tzdata
 RUN rm -rf /var/cache/apk/*