adds webpack cli

docs/getting-started/what-is-payload.mdx

@@ -0,0 +1,13 @@
+--
+topic: getting-started
+--
+
+# What is Payload?
+
+This is a paragraph, neat
+
+## Test
+
+## Test 2
+
+## Test 3

docs/getting-started/what-makes-it-different.mdx

@@ -0,0 +1 @@
+# What makes it different?

package.json

@@ -145,7 +145,7 @@
     "graphql-request": "^2.0.0",
     "mongodb": "^3.6.2",
     "nodemon": "^1.19.4",
-    "webpack-cli": "^4.0.0"
+    "webpack-cli": "^4.1.0"
   },
   "files": [
     "*.js",