Added format command and cleaned up prettier config

.prettierignore

@@ -0,0 +1,3 @@
+lib
+node_modules
+test/public/*.js*

.prettierrc

@@ -1,8 +1,8 @@
-arrowParens: "always"
+arrowParens: 'always'
 bracketSpacing: false
-endOfLine: "lf"
+endOfLine: 'lf'
 printWidth: 100
 semi: false
 singleQuote: true
 tabWidth: 4
-trailingComma: "es5"
+trailingComma: 'es5'

Makefile

@@ -14,6 +14,10 @@ test: node_modules
 coverage: node_modules
 	@TS_NODE_PROJECT='./test/tsconfig.json' ./node_modules/.bin/nyc --reporter=html ./node_modules/.bin/mocha -u tdd -r ts-node/register --extension ts test/*.ts -R nyan && open coverage/index.html
 
+.PHONY: format
+format: node_modules
+	@./node_modules/.bin/prettier -w .
+
 .PHONY: lint
 lint: node_modules
 	@./node_modules/.bin/eslint src --ext .ts --fix