Tweaked gitignore

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

conf/site/node_modules/clean-stack/index.d.ts

@@ -0,0 +1,47 @@
+declare namespace cleanStack {
+	interface Options {
+		/**
+		Prettify the file paths in the stack:
+
+		`/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15` → `~/dev/clean-stack/unicorn.js:2:15`
+
+		@default false
+		*/
+		readonly pretty?: boolean;
+	}
+}
+
+/**
+Clean up error stack traces. Removes the mostly unhelpful internal Node.js entries.
+
+@param stack - The `stack` property of an `Error`.
+
+@example
+```
+import cleanStack = require('clean-stack');
+
+const error = new Error('Missing unicorn');
+
+console.log(error.stack);
+
+// Error: Missing unicorn
+//     at Object.<anonymous> (/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15)
+//     at Module._compile (module.js:409:26)
+//     at Object.Module._extensions..js (module.js:416:10)
+//     at Module.load (module.js:343:32)
+//     at Function.Module._load (module.js:300:12)
+//     at Function.Module.runMain (module.js:441:10)
+//     at startup (node.js:139:18)
+
+console.log(cleanStack(error.stack));
+
+// Error: Missing unicorn
+//     at Object.<anonymous> (/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15)
+```
+*/
+declare function cleanStack(
+	stack: string,
+	options?: cleanStack.Options
+): string;
+
+export = cleanStack;