Github actions

.github/workflows/crystal.yml

@@ -0,0 +1,27 @@
+name: Crystal CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    container:
+      image: crystallang/crystal
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install dependencies
+      run: shards install
+    - name: Run tests
+      run: crystal spec -Dpreview_mt --order random --error-on-warnings
+    - name: Run bulid
+      run: shards build -Dpreview_mt
+    - name: Run format
+      run: crystal tool format --check
+

.github/workflows/deploy_docs.yml

@@ -0,0 +1,35 @@
+name: Deploy Docs
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - v*
+    paths-ignore:
+      - "CHANGELOG.md"
+jobs:
+  deploy:
+    runs-on: ubuntu-16.04
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: MeilCli/setup-crystal-action@v4.0.1
+        with:
+          crystal_version: 1.0.0
+          shards_version: 0.14.1
+      - name: Install dependencies
+        run: shards install
+      - name: Run crystal doc
+        run: crystal doc
+      - name: Extract branch name
+        shell: bash
+        run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
+        id: extract_branch
+      - name: Deploy to gh-pages
+        uses: peaceiris/actions-gh-pages@v3.7.0-8
+        with:
+          personal_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: docs
+          destination_dir: ${{ steps.extract_branch.outputs.branch }}
+

README.md

@@ -2,7 +2,7 @@
 [![Crystal CI](https://github.com/didactic-drunk/crypto-secret.cr/actions/workflows/crystal.yml/badge.svg)](https://github.com/didactic-drunk/crypto-secret.cr/actions/workflows/crystal.yml)
 [![GitHub release](https://img.shields.io/github/release/didactic-drunk/crypto-secret.cr.svg)](https://github.com/didactic-drunk/crypto-secret.cr/releases)
 ![GitHub commits since latest release (by date) for a branch](https://img.shields.io/github/commits-since/didactic-drunk/crypto-secret.cr/latest)
-[![Docs](https://img.shields.io/badge/docs-available-brightgreen.svg)](https://didactic-drunk.github.io/crypto-secret.cr/master)
+[![Docs](https://img.shields.io/badge/docs-available-brightgreen.svg)](https://didactic-drunk.github.io/crypto-secret.cr/main)
 
 Interface intended to hold sensitive information.
 
@@ -60,5 +60,3 @@ end
 ## Contributors
 
 - [didactic-drunk](https://github.com/didactic-drunk) - current maintainer
-[![Docs](https://img.shields.io/badge/docs-available-brightgreen.svg)](https://didactic-drunk.github.io/sodium.cr/master)
-# sodium.cr