[feat] add initial ci

- add tested-with stanze
- add get-tested cabal build

Author: MangoIV

.github/workflows/haskell.yml

@@ -0,0 +1,53 @@
+name: haskell ci
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  generate-matrix:
+    name: "Generate matrix from cabal"
+    outputs: 
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Extract the tested GHC versions
+        id: set-matrix
+        uses: kleidukos/[email protected]
+        with:
+          cabal-file: HaskellNet-SSL.cabal
+          ubuntu-version: "latest"
+          macos-version: "latest"
+          windows-version: "latest"
+          version: 0.1.7.0
+  tests:
+    name: ${{ matrix.ghc }} on ${{ matrix.os }}
+    needs: generate-matrix
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix: ${{ fromJSON(needs.generate-matrix.outputs.matrix) }}
+    steps: 
+      - name: Checkout repo
+        uses: actions/checkout@v4
+      - name: Set up Haskell
+        id: setup-haskell
+        uses: haskell-actions/setup@v2
+        with:
+          ghc-version: ${{ matrix.ghc }}
+          cabal-version: 'latest'
+      - name: Update 
+        run: cabal update
+      - name: Freeze
+        run: cabal freeze
+      - name: Cache
+        uses: actions/[email protected]
+        with:
+          path: ${{ steps.setup-haskell.outputs.cabal-store }}
+          key: ${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('cabal.project.freeze') }}
+          restore-keys: ${{ runner.os }}-${{ matrix.ghc }}-
+      - name: Build
+        run: cabal build

HaskellNet-SSL.cabal

@@ -5,6 +5,7 @@ description:         This package ties together the HaskellNet and connection
                      packages to make it easy to open IMAP and SMTP connections
                      over SSL.
 homepage:            https://github.com/dpwright/HaskellNet-SSL
+tested-with:         GHC ==9.4.8 || ==9.6.5 || ==9.8.2
 license:             BSD3
 license-file:        LICENSE
 author:              Daniel P. Wright