bump version and add tag automatically

.github/workflows/version.yaml

@@ -0,0 +1,19 @@
+name: Version Bump
+
+on:
+  push:
+    # branches:
+    #   - main
+    paths:
+      - VERSION
+
+jobs:
+  create-tag:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+      - uses: rickstaa/action-create-tag@v1.7.2
+        with:
+          tag: "$(cat VERSION)"

VERSION

@@ -0,0 +1 @@
+0.2.0

flake.nix

@@ -72,7 +72,7 @@
         packages.manualHtml = pkgs.callPackage ./docs {
           inherit nmdsrc;
           allModules = allModules ++ contractDummyModules;
-          release = "0.0.1";
+          release = builtins.readFile ./VERSION;
         };
 
         lib.contracts = pkgs.callPackage ./modules/contracts {};