More output formats + include man page

.goreleaser.yaml

@@ -30,6 +30,10 @@ archives:
     format_overrides:
     - goos: windows
       format: zip
+    files:
+      - LICENSE.txt
+      - README.rst
+      - slackdump.1
 checksum:
   name_template: 'checksums.txt'
 snapshot:
@@ -41,6 +45,26 @@ changelog:
       - '^docs:'
       - '^test:'
 
+nfpms:
+  -
+    vendor: Rustam
+    homepage: https://github.com/rusq
+    maintainer: Rustam <[email protected]>
+    description: Save or export your private and public Slack messages, threads, files, and users locally without admin privileges. 
+    license: GPL-3.0
+    formats:
+      - apk
+      - deb
+      - rpm
+      - termux.deb
+      - archlinux
+    release: 1
+    section: default
+    priority: extra
+    contents:
+      - src: ./slackdump.1
+        dst: /usr/share/man/man1/slackdump.1
+
 # The lines beneath this are called `modelines`. See `:help modeline`
 # Feel free to remove those if you don't want/use them.
 # yaml-language-server: $schema=https://goreleaser.com/static/schema.json