ci: Add Winget Releaser workflow (#208)

* ci: Add Winget Releaser workflow

* docs: add winget installation method

* ci: add dependabot

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/winget.yml

@@ -0,0 +1,14 @@
+name: Publish to Winget
+on:
+  release:
+    types: [released]
+
+jobs:
+  publish:
+    runs-on: windows-latest # Action can only run on Windows
+    steps:
+      - uses: vedantmgoyal2009/winget-releaser@v2
+        with:
+          identifier: dundee.gdu
+          installers-regex: '_windows_[\w.]+\.zip$'
+          token: ${{ secrets.WINGET_TOKEN }}

README.md

@@ -65,6 +65,10 @@ Using curl:
 
     go install github.com/dundee/gdu/v5/cmd/gdu@latest
 
+[Winget](https://github.com/microsoft/winget-pkgs/tree/master/manifests/d/dundee/gdu):
+
+    winget install gdu
+
 ## Usage
 
 ```