Add tree-sitter-pioasm with highlights and injections (#1759)

* add tree-sitter-pioasm with highlights and injections

* [docgen] Update README.md
skip-checks: true

* remove ada injection from pioasm

* address review

* remove unnecessary python predicate

Co-authored-by: Github Actions <actions@github>

lua/nvim-treesitter/parsers.lua

@@ -693,6 +693,15 @@ list.json5 = {
   maintainers = { "@Joakker" },
 }
 
+list.pioasm = {
+  install_info = {
+    url = "https://github.com/leo60228/tree-sitter-pioasm",
+    branch = "main",
+    files = { "src/parser.c", "src/scanner.c" },
+  },
+  maintainers = { "@leo60228" },
+}
+
 local M = {
   list = list,
 }