Tweaked gitignore

gitignore removed all composer and npm files, so automated builds would fail

conf/site/node_modules/tiny-warning/dist/tiny-warning.cjs.js

@@ -0,0 +1,22 @@
+'use strict';
+
+var isProduction = process.env.NODE_ENV === 'production';
+function warning(condition, message) {
+  if (!isProduction) {
+    if (condition) {
+      return;
+    }
+
+    var text = "Warning: " + message;
+
+    if (typeof console !== 'undefined') {
+      console.warn(text);
+    }
+
+    try {
+      throw Error(text);
+    } catch (x) {}
+  }
+}
+
+module.exports = warning;