add missing doc + gh pages deployment

Author: kamyar

.github/workflows/demo.yml

@@ -0,0 +1,23 @@
+name: Build and Deploy
+on: [push]
+# on:
+#     push:
+#         tags:
+#             - release/*
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/[email protected]
+
+      - name: Install and Build 🔧 # This example project is built using npm and outputs the result to the 'build' folder. Replace with the commands required to build your project, or remove this step entirely if your site is pre-built.
+        run: |
+          npm install
+          npm run build
+
+      - name: Deploy 🚀
+        uses: JamesIves/[email protected]
+        with:
+          branch: gh-pages # The branch the action should deploy to.
+          folder: build # The folder the action should deploy.

README.md

@@ -140,6 +140,7 @@ renderStaticRangeLabel(`DefinedRange`)| Function |                  | Callback f
 staticRanges(`DefinedRange`, `DateRangePicker`)  | Array            | [default preDefined ranges](https://github.com/hypeserver/react-date-range/blob/master/src/defaultRanges.js)             | -
 inputRanges(`DefinedRange`, `DateRangePicker`)   | Array            | [default input ranges](https://github.com/hypeserver/react-date-range/blob/master/src/defaultRanges.js)             | -
 ariaLabels                           | Object    | {}               | inserts aria-label to inner elements
+dayContentRenderer                   | Function  | null             | Function to customize the rendering of Calendar Day. given a date is supposed to return what to render.
 
  *shape of range:
  ```js