Add list of LWG papers accepted by WG21 during the June 2021 plenary

Reviewed By: #libc, Quuxplusone, ldionne

Differential Revision: https://reviews.llvm.org/D105103

NOKEYCHECK=True
GitOrigin-RevId: b9c24257c7b4da398798934ffefdd30015152180
diff --git a/docs/RangesIssuePaperStatus.csv b/docs/RangesIssuePaperStatus.csv
index a6d4cd2..ee4a9aa 100644
--- a/docs/RangesIssuePaperStatus.csv
+++ b/docs/RangesIssuePaperStatus.csv
@@ -22,12 +22,19 @@
 `P1994R1 <https://wg21.link/P1994R1>`__,elements_view Needs Its Own sentinel,,
 `P2091R0 <https://wg21.link/P2091R0>`__,Fixing Issues With Range Access CPOs,,
 `P2106R0 <https://wg21.link/P2106R0>`__,Range Algorithm Result Types,,
+
+`P2325R3 <https://wg21.link/P2325R3>`__,Views should not be required to be default constructible ,,
+`P2328R1 <https://wg21.link/P2328R1>`__,join_view should join all views of ranges,,
+`P2210R2 <https://wg21.link/P2210R2>`__,Superior String Splitting,,
+`P2281R1 <https://wg21.link/P2281R1>`__,Clarifying range adaptor objects,,
+`P2367R0 <https://wg21.link/P2367R0>`__,Remove misuses of list-initialization from Clause 24,,
+
 `LWG3169 <https://wg21.link/lwg3169>`__, ranges permutation generators discard useful information,,
 `LWG3173 <https://wg21.link/lwg3173>`__, Enable CTAD for ref-view,,
 `LWG3179 <https://wg21.link/lwg3179>`__, subrange should always model Range,,
 `LWG3180 <https://wg21.link/lwg3180>`__, Inconsistently named return type for ranges::minmax_element,,
 `LWG3183 <https://wg21.link/lwg3183>`__, Normative permission to specialize Ranges variable templates,,
-`LWG3186 <https://wg21.link/lwg3186>`__," ranges removal, partition, and partial_sort_copy algorithms discard useful information",,
+`LWG3186 <https://wg21.link/lwg3186>`__, "ranges removal, partition, and partial_sort_copy algorithms discard useful information",,
 `LWG3191 <https://wg21.link/lwg3191>`__, std::ranges::shuffle synopsis does not match algorithm definition,,
 `LWG3276 <https://wg21.link/lwg3276>`__, Class split_view::outer_iterator::value_type should inherit from view_interface,,
 `LWG3280 <https://wg21.link/lwg3280>`__, View converting constructors can cause constraint recursion and are unneeded,,