[proposal] Use W3C CSS Index as source

.gitignore

@@ -1 +1,3 @@
 node_modules
+.idea
+typings

.vscode/launch.json

@@ -0,0 +1,46 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Launch",
+            "type": "node",
+            "request": "launch",
+            "program": "${workspaceRoot}/index.ts",
+            "stopOnEntry": false,
+            "args": [],
+            "cwd": "${workspaceRoot}",
+            "preLaunchTask": null,
+            "runtimeExecutable": null,
+            "runtimeArgs": [
+                "--nolazy"
+            ],
+            "env": {
+                "NODE_ENV": "development"
+            },
+            "externalConsole": false,
+            "sourceMaps": true,
+            "outDir": "${workspaceRoot}/build"
+        },
+        {
+            "name": "Attach",
+            "type": "node",
+            "request": "attach",
+            "port": 5858,
+            "address": "localhost",
+            "restart": false,
+            "sourceMaps": true,
+            "outDir": null,
+            "localRoot": "${workspaceRoot}",
+            "remoteRoot": null
+        },
+        {
+            "name": "Attach to Process",
+            "type": "node",
+            "request": "attach",
+            "processId": "${command.PickProcess}",
+            "port": 5858,
+            "sourceMaps": false,
+            "outDir": null
+        }
+    ]
+}

.vscode/settings.json

@@ -0,0 +1,6 @@
+// Place your settings in this file to overwrite default and user settings.
+{
+    "files.exclude":{
+        "**/*.js": { "when": "$(basename).ts"}
+    }
+}

.vscode/tasks.json

@@ -0,0 +1,10 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "0.1.0",
+    "command": "tsc",
+    "isShellCommand": true,
+    "args": ["-p", "."],
+    "showOutput": "silent",
+    "problemMatcher": "$tsc"
+}