chore: enable release-please for API and Assets (#55)

## Reason for Change

- related to #4 

## Changes

- add GHA to generate a release when ontology-assets or the API changes.
- add release-please-config.json to release ontology-assets and python
API

## Testing steps
- generated a release using a test branch
#54.

## Notes for Reviewer
Merging this into main will generate a release for the repository with a
tag version tag vX.X.X, a release for ontology-assets with tag
ontology-assets-vY.Y.Y, a release for the python api with version tag
python-api-vZ.Z.Z.

.github/workflows/release.yml

@@ -0,0 +1,20 @@
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  pull-requests: write
+
+name: release-please
+jobs:
+  release-please:
+    runs-on: [self-hosted, ARM64]
+    steps:
+      - name: release please
+        uses: google-github-actions/[email protected]
+        id: release
+        with:
+          manifest-file: ".release-please-manifest.json"
+          config-file: "release-please-config.json"

release-please-config.json

@@ -24,8 +24,9 @@
     "api/python": {
       "package-name": "python-api"
     },
-    "tools/ontology-builder": {
-      "package-name": "ontology-builder"
-    }
+    "ontology-assets": {
+      "package-name": "ontology-assets"
+    },
+    ".": {}
   }
 }