Bug 1341585 - Ignore Visual Studio Code workspace settings and add a …

…recommended extensions file. r=gps,jya

MozReview-Commit-ID: 3pI4BSax7dE

.gitignore

@@ -122,3 +122,7 @@ lextab.py
 
 # tup database
 /.tup
+
+# Ignore Visual Studio Code workspace files.
+.vscode/
+!.vscode/extensions.json

.hgignore

@@ -137,5 +137,7 @@ GPATH
 # tup database
 ^\.tup
 
-subinclude:servo/.hgignore
+# Ignore Visual Studio Code workspace files.
+\.vscode/(?!extensions.json$)
 
+subinclude:servo/.hgignore

.vscode/extensions.json

@@ -0,0 +1,18 @@
+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        // Trim only touched lines.
+        "NathanRidley.autotrim",
+        // JS Babel ES6/ES7 syntax hilight.
+        "dzannotti.vscode-babel-coloring",
+        // ESLint support.
+        "dbaeumer.vscode-eslint",
+        // C/C++ language support.
+        "ms-vscode.cpptools",
+        // Rust language support.
+        "kalitaalexey.vscode-rust",
+        // CSS support for HTML documents.
+        "ecmel.vscode-html-css"
+    ]
+}