dev-libs/tree-sitter-erlang: new package; add 0.19

Signed-off-by: Maciej Barć <xgqt@gentoo.org>

dev-libs/tree-sitter-erlang/Manifest

@@ -0,0 +1 @@
+DIST tree-sitter-erlang-0.19.gh.tar.gz 194697 BLAKE2B 8a84507b3be64ed766c0a02a8ac392a9222954bfc8c18451f723957ad1e787a3202d5775ce8084b15cd4ad5f1fb1189a772ebc7359ecccdd0e31e4084c16924e SHA512 58233cc2a6645e92071540c29bb6136fb65f0b4b0749c7936b9a465c212a31f7da26cb4f203bd84607df67fe9b92c7111d0b635261a90f186ae9e839e56e1f67

dev-libs/tree-sitter-erlang/metadata.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+
+<pkgmetadata>
+  <maintainer type="person">
+    <email>xgqt@gentoo.org</email>
+    <name>Maciej Barć</name>
+  </maintainer>
+  <upstream>
+    <bugs-to>https://github.com/whatsapp/tree-sitter-erlang/issues/</bugs-to>
+    <remote-id type="github">whatsapp/tree-sitter-erlang</remote-id>
+  </upstream>
+</pkgmetadata>

dev-libs/tree-sitter-erlang/tree-sitter-erlang-0.19.ebuild

@@ -0,0 +1,27 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit tree-sitter-grammar
+
+DESCRIPTION="Erlang programming language grammar for Tree-sitter"
+HOMEPAGE="https://github.com/whatsapp/tree-sitter-erlang/"
+SRC_URI="https://github.com/whatsapp/${PN}/archive/${PV}.tar.gz
+	-> ${P}.gh.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+
+DOCS=( CHANGELOG.md README.md )
+
+src_prepare() {
+	rm -r ./pyproject.toml ./test/highlight || die
+	tree-sitter-grammar_src_prepare
+}
+
+src_install() {
+	tree-sitter-grammar_src_install
+	einstalldocs
+}