fix: make layout parameters optional

Closes #43

Author: ngfelixl

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "nodeplotlib",
-  "version": "0.7.1",
+  "version": "0.7.2",
   "description": "NodeJS frontend-less plotting lib using plotly.js inspired by matplotlib",
   "main": "dist/lib/index.js",
   "types": "dist/lib/index.d.ts",

package.json

@@ -1,3 +1,4 @@
+export * from 'plotly.js';
+
 export * from './plots-container';
-export * from './plot';
-export * from 'plotly.js';
+export { Layout, Plot, IPlot } from './plot';

src/models/index.ts

@@ -1,8 +1,9 @@
-import { Layout, PlotData } from 'plotly.js';
+import { Layout as FullLayout, PlotData } from 'plotly.js';
 
 export type Plot = Partial<PlotData>;
+export type Layout = Partial<FullLayout>;
 
 export interface IPlot {
   data: Plot[];
-  layout?: Partial<Layout>;
+  layout?: Layout;
 }