chore: add snap for ubuntu (#965)

Signed-off-by: Samir Akarioh <samir.akarioh@canonical.com>
Signed-off-by: SamirPS <samir.akarioh@canonical.com>
Co-authored-by: Terry Howe <terrylhowe@gmail.com>
Co-authored-by: Billy Zha <jinzha1@microsoft.com>

snapcraft.yaml

@@ -0,0 +1,60 @@
+# Copyright The ORAS Authors.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: oras
+version: 'v1.0.0'
+summary: Package for the ORAS CLI tool
+description: |
+  A snap package for the ORAS CLI tool, which is used for managing OCI artifacts.
+base: core22
+confinement: strict
+grade: stable
+
+architectures:
+  - build-on: amd64
+    build-for: amd64
+  - build-on: amd64
+    build-for: arm64
+  - build-on: amd64
+    build-for: s390x
+
+parts:
+  oras:
+    plugin: go
+    source: https://github.com/oras-project/oras.git
+    source-type: git
+    source-tag: $SNAPCRAFT_PROJECT_VERSION
+    build-environment:
+      - on amd64 to amd64:
+        - TARGET_ARCH: "amd64"
+      - on amd64 to arm64:
+        - TARGET_ARCH: "arm64"
+      - on amd64 to s390x:
+        - TARGET_ARCH: "s390x"
+    build-snaps:
+      - go/1.20/stable
+    build-packages:
+      - make
+    stage-packages:
+      - ca-certificates
+    override-build: |
+      make "build-linux-$CRAFT_TARGET_ARCH"
+      install -D -m755 bin/linux/$CRAFT_TARGET_ARCH/oras $CRAFT_PART_INSTALL/bin/oras
+  
+
+apps:
+  oras:
+    command: bin/oras
+    plugs:
+      - home
+      - network