Added build and release automation (#7)

Author: mdmuzammil96

.github/workflows/release.yml

@@ -0,0 +1,30 @@
+name: Build and Release
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.24.1'
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          version: latest
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yml

@@ -0,0 +1,21 @@
+# goreleaser.yml
+project_name: speculator
+builds:
+  - id: speculator
+    main: ./main.go
+    binary: speculator
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - darwin
+    goarch:
+      - amd64
+      - arm64
+    ldflags:
+      - "-s -w"
+
+archives:
+  - id: tarballs
+    format: tar.gz
+    name_template: "speculator-{{ .Os }}-{{ .Arch }}"