Add slackin-extended

https://github.com/emedvedev/slackin-extended

.browserslistrc

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+# https://github.com/browserslist/browserslist#readme
+
+>= 0.5%
+last 2 major versions
+not dead
+Firefox ESR
+Edge >= 16
+Explorer >= 10
+iOS >= 10
+Safari >= 10

.env.template

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+SLACK_SUBDOMAIN=
+SLACK_API_TOKEN=
+RECAPTCHA_SECRET=
+RECAPTCHA_SITEKEY=
+RECAPTCHA_INVISIBLE=
+SLACKIN_COC=
+SLACKIN_CHANNELS=
+SLACKIN_INTERVAL=
+SLACKIN_ANALYTICS=
+SLACKIN_THEME=
+SLACKIN_ACCENT=

.gitattributes

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+# Enforce Unix newlines
+* text=auto eol=lf

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: npm
+    directory: "/"
+    schedule:
+      interval: monthly
+    open-pull-requests-limit: 10
+    versioning-strategy: increase
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: monthly

.github/workflows/codeql.yml

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+name: "CodeQL"
+
+on:
+  push:
+    branches:
+      - master
+      - "!dependabot/**"
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches:
+      - master
+  schedule:
+    - cron: "0 2 * * 5"
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+        with:
+          languages: "javascript"
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v2

.github/workflows/test.yml

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+name: Tests
+
+on: [push, pull_request]
+
+env:
+  FORCE_COLOR: 2
+
+jobs:
+  run:
+    name: Node ${{ matrix.node }}
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        node: [12, 14, 16]
+
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node }}
+          cache: npm
+
+      - name: Install npm dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm test

.gitignore

@@ -1,8 +1,16 @@
+.DS_Store
+
+# build
+/assets/main.css
+
 # dependencies
 node_modules
 
 # logs
 npm-debug.log
 
-# environment variables
-.env
+/.env
+
+# IDE
+.idea
+.vscode

.stylelintignore

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+**/*.min.css
+/assets/main.css

.stylelintrc

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+{
+  "extends": [
+    "stylelint-config-twbs-bootstrap"
+  ],
+  "rules": {
+    "no-duplicate-selectors": null,
+    "order/properties-order": null,
+    "selector-no-qualifying-type": null
+  }
+}

Dockerfile

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+FROM node:16-alpine
+ADD . /srv/www
+WORKDIR /srv/www
+RUN npm install --unsafe-perm
+RUN npm run build
+
+CMD ./bin/slackin.js