Adding gitignore & goreleaser

.gitignore

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+dist/

.goreleaser.yml

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+# This is an example .goreleaser.yml file with some sane defaults.
+# Make sure to check the documentation at http://goreleaser.com
+before:
+  hooks:
+    # You may remove this if you don't use go modules.
+    - go mod tidy
+    # you may remove this if you don't need go generate
+    - go generate ./...
+builds:
+  - main: ./cmd/extract/main.go
+    id: "extract"
+    binary: extract
+    goos:
+      - linux
+      - windows
+      - darwin
+archives:
+  - name_template: "extract_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'