Updating the CI file to match other Lucky projects (#17)

* Updating the CI file to match other Lucky projects

* don't need travis. Update README for Lucky mentions. Fixing CI shard install error

.github/workflows/ci.yml

@@ -0,0 +1,47 @@
+name: Carbon SMTP Adapter CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: "*"
+
+jobs:
+  check_format:
+    strategy:
+      fail-fast: false
+    runs-on: ubuntu-latest
+    continue-on-error: false
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v3
+      - name: Install Crystal
+        uses: crystal-lang/install-crystal@v1
+      - name: Install dependencies
+        run: shards install
+      - name: Format
+        run: crystal tool format --check
+      - name: Lint
+        run: ./bin/ameba
+  specs:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+        crystal_version: [latest]
+        include:
+          - os: ubuntu-latest
+            crystal_version: 1.4.0
+    runs-on: ${{ matrix.os }}
+    continue-on-error: false
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v3
+      - name: Install Crystal
+        uses: crystal-lang/install-crystal@v1
+        with:
+          crystal: ${{ matrix.crystal_version }}
+      - name: Install dependencies
+        run: shards install --skip-postinstall --skip-executables
+      - name: Run tests
+        run: crystal spec

README.md

@@ -14,7 +14,7 @@ Add this to your application's `shard.yml`:
 ```yaml
 dependencies:
   carbon_smtp_adapter:
-    github: your-github-user/carbon_smtp_adapter
+    github: luckyframework/carbon_smtp_adapter
 ```
 
 ## Usage
@@ -45,15 +45,15 @@ end
 
 ## Contributing
 
-1. Fork it (<https://github.com/oneiros/carbon_smtp_adapter/fork>)
+1. Fork it (<https://github.com/luckyframework/carbon_smtp_adapter/fork>)
 2. Create your feature branch (`git checkout -b my-new-feature`)
 3. Commit your changes (`git commit -am 'Add some feature'`)
 4. Push to the branch (`git push origin my-new-feature`)
 5. Create a new Pull Request
 
 ## Contributors
 
-- [oneiros](https://github.com/oneiros) David Roetzel - creator, maintainer
+- [oneiros](https://github.com/oneiros) David Roetzel - creator
 
 With many thanks to: