Move formatter provider to standalone file

Author: wingrunr21

src/providers/formatter.ts

@@ -0,0 +1,6 @@
+import { ExtensionContext } from 'vscode';
+import { RubyDocumentFormattingEditProvider } from '../format/rubyFormat';
+
+export function registerFormatter(ctx: ExtensionContext) {
+	new RubyDocumentFormattingEditProvider().register(ctx);
+}

src/ruby.ts

@@ -6,12 +6,12 @@ import * as Locate from './locate/locate';
 import * as path from 'path';
 import * as cp from 'child_process';
 import { LintCollection } from './lint/lintCollection';
-import { RubyDocumentFormattingEditProvider } from './format/rubyFormat';
 import * as utils from './utils';
 import { registerTaskProvider } from './task/rake';
 import { Config as LintConfig } from './lint/lintConfig';
 import * as debounce from 'lodash/debounce';
 
+import { registerFormatter } from './providers/formatter';
 import { registerHighlightProvider } from './providers/highlight';
 import { registerIntellisenseProvider } from './providers/intellisense';
 
@@ -146,7 +146,3 @@ function registerCompletionProvider(ctx: ExtensionContext) {
 		completeTest.on('error', () => 0);
 	}
 }
-
-function registerFormatter(ctx: ExtensionContext) {
-	new RubyDocumentFormattingEditProvider().register(ctx);
-}