Add Winget Releaser workflow (#532)

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly

.github/workflows/winget.yml

@@ -0,0 +1,13 @@
+name: winget
+on:
+  release:
+    types: [released]
+jobs:
+  publish:
+    runs-on: windows-latest
+    steps:
+      - uses: vedantmgoyal2009/winget-releaser@v2
+        with:
+          identifier: ajeetdsouza.zoxide
+          installers-regex: '-pc-windows-msvc\.zip$'
+          token: ${{ secrets.WINGET_TOKEN }}