add prettier preset to eslint

package-lock.json

@@ -4505,6 +4505,14 @@
         "v8-compile-cache": "^2.0.3"
       }
     },
+    "eslint-config-prettier": {
+      "version": "6.11.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-6.11.0.tgz",
+      "integrity": "sha512-oB8cpLWSAjOVFEJhhyMZh6NOEOtBVziaqdDQ86+qhDHFbZXoRTM7pNSvFRfW/W/L/LrQ38C99J5CGuRBBzBsdA==",
+      "requires": {
+        "get-stdin": "^6.0.0"
+      }
+    },
     "eslint-config-synacor": {
       "version": "3.0.5",
       "resolved": "https://registry.npmjs.org/eslint-config-synacor/-/eslint-config-synacor-3.0.5.tgz",
@@ -5300,6 +5308,11 @@
       "integrity": "sha512-g/Q1aTSDOxFpchXC4i8ZWvxA1lnPqx/JHqcpIw0/LX9T8x/GBbi6YnlN5nhaKIFkT8oFsscUKgDJYxfwfS6QsQ==",
       "dev": true
     },
+    "get-stdin": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-6.0.0.tgz",
+      "integrity": "sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g=="
+    },
     "get-stream": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",

package.json

@@ -23,6 +23,7 @@
     "sirv-cli": "^0.4.5"
   },
   "dependencies": {
+    "eslint-config-prettier": "^6.11.0",
     "preact": "^10.1.0",
     "preact-render-to-string": "^5.1.2"
   }