Add release notes for 1.2 which mysteriously disappeared

Author: jespercockx

release-notes/1.2.md

@@ -0,0 +1,22 @@
+Release notes for agda2hs v1.2
+==============================
+
+Changes
+-------
+
+- Increased bounds to support GHC 9.6.3
+- Changed flag `--rewrite-rules` to `--config`.
+- Deprecated `Tuple` (#228). Now there are distinct 2-uples (`_×_`) and 3-uples (`_×_×_`).
+  Only 2-uples can be pattern-matched inside of let bindings.
+- Experimental support for *erased module parameters* (#229).
+- Support for erased hidden type parameters.
+- Functions with no clause throw a hard error when getting compiled.
+- Unboxed records can preserve any field -- not only the first one.
+- Improved documentation.
+
+See https://github.com/agda/agda2hs/issues?q=milestone%3A1.2+is%3Apr for the full list of changes.
+
+Fixed issues
+------------
+
+See https://github.com/agda/agda2hs/issues?q=milestone%3A1.2+is%3Aissue for the full list of fixed issues.