chore(release): enable conventionalCommits and release

Author: rainerhahnekamp

nx.json

@@ -48,7 +48,14 @@
     "sharedGlobals": []
   },
   "release": {
-    "projects": ["ngrx-toolkit"]
+    "projects": ["ngrx-toolkit"],
+    "version": {"conventionalCommits": true},
+    "changelog": {
+      "workspaceChangelog": {
+        "createRelease": "github"
+      }
+    }
+
   },
   "generators": {
     "@nx/angular:application": {