update .gitignore and add .gitattributes for tree-sitter

Author: Steve Lee (POWERSHELL HE/HIM) (from Dev Box)

tree-sitter-dscexpression/.gitattributes

@@ -0,0 +1,11 @@
+* text eol=lf
+
+src/*.json linguist-generated
+src/parser.c linguist-generated
+src/tree_sitter/* linguist-generated
+
+bindings/** linguist-generated
+binding.gyp linguist-generated
+setup.py linguist-generated
+Makefile linguist-generated
+Package.swift linguist-generated

tree-sitter-dscexpression/.gitignore

@@ -10,6 +10,7 @@ node_modules/
 
 # Swift artifacts
 .build/
+Package.swift
 
 # Go artifacts
 go.sum
@@ -20,6 +21,8 @@ _obj/
 dist/
 *.egg-info
 *.whl
+pyproject.toml
+setup.py
 
 # C artifacts
 *.a
@@ -28,6 +31,7 @@ dist/
 *.dylib
 *.dll
 *.pc
+Makefile
 
 # Example dirs
 /examples/*/
@@ -36,3 +40,5 @@ dist/
 *.wasm
 *.obj
 *.o
+
+.editorconfig