added dummy to flake

flake.nix

@@ -55,7 +55,26 @@
             '';
           };
 
+          learningpulse-dummy = pkgs.maven.buildMavenPackage rec {
+            pname = "dummy";
+            version = "0.0.1";
+
+            src = ./.;
+            # todo get automatically
+            mvnHash = "sha256-YCK1Qujgx73cZdEx2mRip+y+66px5TxL247fBIMyoy4=";
+
+            nativeBuildInputs = buildPackages;
+
+            installPhase = ''
+              mkdir -p $out/bin $out/share/${pname}
+              install -Dm644 ${pname}/target/${pname}-${version}.jar $out/share/${pname}-${version}
+
+              makeWrapper ${pkgs.jre8}/bin/java $out/bin/${pname}- \
+                --add-flags "-jar $out/share/${pname}/${pname}-${version}.jar"
+            '';
           };
+        };
+
       hydraJobs = {
         inherit (self)
           packages;