[docs] Point to the recent Papers website page

Having the original Idris papers on the readthedocs is probably
manageable.  However, to save us having to keep multiple "Papers" pages
in sync, I'm pointing back to the website for papers involving Idris in
general.

Author: CodingCellist

docs/source/tutorial/conclusions.rst

@@ -37,28 +37,26 @@ dependent types in general, can be obtained from various sources:
 
    * https://github.com/idris-community
 
-*  Various papers (e.g. [#BradyHammond2012]_, [#Brady]_, and [#BradyHammond2010]_).  Although these mostly
-   describe older versions of Idris.
-
-.. [#BradyHammond2012] Edwin Brady and Kevin Hammond. 2012. Resource-Safe systems
-       programming with embedded domain specific languages. In
-       Proceedings of the 14th international conference on Practical
-       Aspects of Declarative Languages (PADL'12), Claudio Russo and
-       Neng-Fa Zhou (Eds.). Springer-Verlag, Berlin, Heidelberg,
-       242-257. DOI=10.1007/978-3-642-27694-1_18
-       https://dx.doi.org/10.1007/978-3-642-27694-1_18
-
-.. [#Brady] Edwin C. Brady. 2011. IDRIS ---: systems programming meets full
+*  The papers describing Idris2 [#Brady2021]_ and the older Idris1
+   [#Brady2011]_ [#Brady2013]_.  There is a wider (non-exhaustive) list of
+   papers involving Idris
+   `on the website <https://www.idris-lang.org/pages/papers.html>`_.
+
+
+.. [#Brady2021] Edwin Brady. Idris 2: Quantitative Type Theory in Practice. In
+       35th European Conference on Object-Oriented Programming (ECOOP 2021).
+       Leibniz International Proceedings in Informatics (LIPIcs), Volume 194,
+       pp. 9:1-9:26, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2021)
+       https://doi.org/10.4230/LIPIcs.ECOOP.2021.9
+
+.. [#Brady2013] E. BRADY, "Idris, a general-purpose dependently typed
+       programming language: Design and implementation," Journal of Functional
+       Programming, vol. 23, no. 5, pp. 552-593, 2013.
+       doi:10.1017/S095679681300018X https://doi.org/10.1017/S095679681300018X 
+
+.. [#Brady2011] Edwin C. Brady. 2011. IDRIS ---: systems programming meets full
        dependent types. In Proceedings of the 5th ACM workshop on
        Programming languages meets program verification (PLPV
        '11). ACM, New York, NY, USA,
        43-54. DOI=10.1145/1929529.1929536
        https://doi.acm.org/10.1145/1929529.1929536
-
-.. [#BradyHammond2010] Edwin C. Brady and Kevin Hammond. 2010. Scrapping your
-       inefficient engine: using partial evaluation to improve
-       domain-specific language implementation. In Proceedings of the
-       15th ACM SIGPLAN international conference on Functional
-       programming (ICFP '10). ACM, New York, NY, USA,
-       297-308. DOI=10.1145/1863543.1863587
-       https://doi.acm.org/10.1145/1863543.1863587