Merge pull request #7 from matsu0228/fix/readme

update readme

README.md

@@ -174,16 +174,15 @@ save to importData/ dog. data: map[string]interface {}{"_created_at":time.Time{w
 - With setting the `FIRESTORE_EMULATOR_HOST` environment variable, the `restore` command can be used to restore the emulator.
   - The `--emulators-project-id` option allow to specify the projectId with to avoid data conflicts by specifying it.
 
-``.
+```
 FIRESTORE_EMULATOR_HOST=**your_firestore_emulator** fsrpl restore [import document path] --path [import JSON file directory path] --emulators-project-id [test unique Id]
 
 e.g.
 
 FIRESTORE_EMULATOR_HOST=localhost:8080 fsrpl restore "importData/*" --path "./" --emulators-project-id emulator-integration-test
-````
+```
 
 
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 ### (for gopher) show Go struct from some document