ignore more things for `vscode-textmate` and `vscode-oniguruma`

build/.webignore

@@ -12,6 +12,20 @@ jschardet/index.js
 jschardet/src/**
 jschardet/dist/jschardet.js
 
+vscode-oniguruma/LICENSE.txt
+vscode-oniguruma/main.d.ts
+vscode-oniguruma/NOTICES.txt
+vscode-oniguruma/package.json
+vscode-oniguruma/README.md
+
+vscode-textmate/release/*.ts
+vscode-textmate/release/*.js.map
+vscode-textmate/typings/**
+vscode-textmate/LICENSE.md
+vscode-textmate/package.json
+vscode-textmate/README.md
+vscode-textmate/webpack.config.js
+
 xterm/src/**
 
 xterm-addon-search/src/**