Add Zenodo citation (#65)

* Add Zenodo citation

* Fix one character

Author: garrison

CITATION.bib

@@ -1,3 +1,23 @@
+@software{qiskit-addon-aqc-tensor,
+  author = {
+    James R. Garrison
+    and Kate Marshall
+    and Ibrahim Shehzad
+    and Kevin J. Sung
+    and Caleb Johnson
+    and Max Rossmannek
+    and Bryce Fuller
+    and Jennifer R. Glick
+    and Albert Akhriev
+    and Sergiy Zhuk
+    and Niall F. Robertson
+  },
+  title = {{Qiskit addon: Approximate Quantum Compilation with Tensor Networks}},
+  howpublished = {\url{https://github.com/Qiskit/qiskit-addon-aqc-tensor}},
+  doi = {10.5281/zenodo.14064353},
+  year = {2024}
+}
+
 @ARTICLE{aqc-tensor-research,
        author = {{Robertson}, Niall F. and {Akhriev}, Albert and {Vala}, Jiri and {Zhuk}, Sergiy},
         title = "{Approximate Quantum Compiling for Quantum Simulation: A Tensor Network based approach}",