Add elixir-ts-mode (Bug#61996)

* etc/NEWS: Mention the new mode.
* lisp/progmodes/elixir-ts-mode.el: New file.
* test/lisp/progmodes/elixir-ts-mode-tests.el: New file.
* test/lisp/progmodes/elixir-ts-mode-resources/indent.erts: New file.
* admin/notes/tree-sitter/build-module/batch.sh:
* admin/notes/tree-sitter/build-module/build.sh: Add Elixir support.
* lisp/progmodes/eglot.el (eglot-server-programs): Add elixir-ts-mode.

2 files changed, 4 insertions, 0 deletions

diff --git a/admin/notes/tree-sitter/build-module/batch.sh b/admin/notes/tree-sitter/build-module/batch.sh
index 8b0072782e8..1d4076564dc 100755
--- a/admin/notes/tree-sitter/build-module/batch.sh
+++ b/admin/notes/tree-sitter/build-module/batch.sh
@@ -8,6 +8,7 @@ languages=(
     'css'
     'c-sharp'
     'dockerfile'
+    'elixir'
     'go'
     'go-mod'
     'heex'
diff --git a/admin/notes/tree-sitter/build-module/build.sh b/admin/notes/tree-sitter/build-module/build.sh
index 78ecfb5bc82..0832875168b 100755
--- a/admin/notes/tree-sitter/build-module/build.sh
+++ b/admin/notes/tree-sitter/build-module/build.sh
@@ -31,6 +31,9 @@ case "${lang}" in
     "cmake")
         org="uyha"
         ;;
+    "elixir")
+        org="elixir-lang"
+        ;;
     "go-mod")
         # The parser is called "gomod".
         lang="gomod"