vscode-extension api.ts support

Features

basically fork from vscode/typescript-language-features & vscode/typescript-basic and disable ts(1249) error, which was used by api.ts decorator grammar

Name		Name	Last commit message	Last commit date
Latest commit History 3 Commits
.vscode		.vscode
schemas		schemas
snippets		snippets
src		src
syntaxes		syntaxes
test		test
.gitignore		.gitignore
.vscodeignore		.vscodeignore
README.md		README.md
cgmanifest.json		cgmanifest.json
extension.webpack.config.js		extension.webpack.config.js
icon.png		icon.png
language-configuration.json		language-configuration.json
package.json		package.json
package.nls.json		package.nls.json
share.webpack.config.js		share.webpack.config.js
tsconfig.json		tsconfig.json