maintenance: add prettier

(cherry picked from commit 559be402c940b7b31bdb2567c23ff17251aabe04)

package-lock.json

@@ -6,7 +6,7 @@
   "packages": {
     "": {
       "name": "unlock-music",
-      "version": "v1.9.1",
+      "version": "v1.10.0-beta.1",
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
@@ -36,6 +36,7 @@
         "babel-plugin-component": "^1.1.1",
         "jest": "^27.4.5",
         "patch-package": "^6.4.7",
+        "prettier": "2.5.1",
         "sass": "^1.38.1",
         "sass-loader": "^10.2.0",
         "semver": "^7.3.5",
@@ -15746,7 +15747,6 @@
       "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.5.1.tgz",
       "integrity": "sha512-vBZcPRUR5MZJwoyi3ZoyQlc1rXeEck8KgeC9AwwOn+exuxLxq5toTRDTSaVrXHxelDMHy9zlicw8u66yxoSUFg==",
       "dev": true,
-      "optional": true,
       "bin": {
         "prettier": "bin-prettier.js"
       },
@@ -33337,8 +33337,7 @@
       "version": "2.5.1",
       "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.5.1.tgz",
       "integrity": "sha512-vBZcPRUR5MZJwoyi3ZoyQlc1rXeEck8KgeC9AwwOn+exuxLxq5toTRDTSaVrXHxelDMHy9zlicw8u66yxoSUFg==",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "pretty-bytes": {
       "version": "5.6.0",