feat: snap (#211)

Adding snap configuration and badge

Signed-off-by: Skye Gill <gill.skye95@gmail.com>
Signed-off-by: Alex <alexsimonjones@gmail.com>
Co-authored-by: Skye Gill <gill.skye95@gmail.com>

README.md

@@ -15,6 +15,9 @@
   <a href="https://github.com/open-feature/flagd/releases">
     <img src="https://img.shields.io/github/release/open-feature/flagd/all.svg">
   </a>
+  <a href="https://snapcraft.io/flagd">
+  <img alt="Get it from the Snap Store" src="https://snapcraft.io/static/images/badges/en/snap-store-black.svg" width=100px;/>
+</a>
 </p>
 
 ## Features

docs/snap.md

@@ -0,0 +1,26 @@
+### Snap
+
+flagD can be released on the snapstore as a snap package.
+The homepage for the snap is found [here](https://snapcraft.io/flagd/)
+
+#### Login 
+
+`snapcraft login`
+
+#### Build
+
+`snapcraft`
+
+Run this command from `snap` directory.
+
+#### Release
+
+```
+snapcraft upload flagd_<VERSION>_amd64.snap --release=candidate
+```
+
+#### Promotion
+
+```
+snapcraft promote flagd --from-channel=candidate --to-channel=stable
+```

release-please-config.json

@@ -7,7 +7,10 @@
       "include-component-in-tag": false,
       "prerelease": false,
       "bump-minor-pre-major": true,
-      "bump-patch-for-minor-pre-major": true
+      "bump-patch-for-minor-pre-major": true,
+      "extra-files": [
+        "snap/snapcraft.yaml"
+      ]
     }
   }
 }

snap/snapcraft.yaml

@@ -0,0 +1,24 @@
+name: flagd
+base: core20
+version: "v0.2.5" # x-release-please-version
+summary: A feature flag daemon with a Unix philosophy
+description: |
+  Flagd is a simple command line tool for fetching and evaluating feature flags for services. It is designed to conform with the OpenFeature specification. 
+grade: stable # must be 'stable' to release into candidate/stable channels
+confinement: strict
+architectures:
+ - build-on: amd64
+ - build-on: arm64
+apps:
+  flagd: 
+    command: bin/flagd
+    plugs:
+      - home
+      - network
+      - network-bind
+parts:
+  home:
+    # See 'snapcraft plugins'
+    plugin: go
+    source-type: git
+    source: https://github.com/open-feature/flagd.git