fix: change npm scope registry (#30964)

https://docs.npmjs.com/cli/v10/using-npm/scope#associating-a-scope-with-a-registry

Author: llxlr

docs/content/usage/packages/npm.en-us.md

@@ -30,7 +30,7 @@ The following examples use the `npm` tool with the scope `@test`.
 To register the package registry you need to configure a new package source.
 
 ```shell
-npm config set {scope}:registry https://gitea.example.com/api/packages/{owner}/npm/
+npm config set {scope}:registry=https://gitea.example.com/api/packages/{owner}/npm/
 npm config set -- '//gitea.example.com/api/packages/{owner}/npm/:_authToken' "{token}"
 ```
 
@@ -43,7 +43,7 @@ npm config set -- '//gitea.example.com/api/packages/{owner}/npm/:_authToken' "{t
 For example:
 
 ```shell
-npm config set @test:registry https://gitea.example.com/api/packages/testuser/npm/
+npm config set @test:registry=https://gitea.example.com/api/packages/testuser/npm/
 npm config set -- '//gitea.example.com/api/packages/testuser/npm/:_authToken' "personal_access_token"
 ```
 

docs/content/usage/packages/npm.zh-cn.md

@@ -30,7 +30,7 @@ menu:
 要注册软件包注册表，您需要配置一个新的软件包源。
 
 ```shell
-npm config set {scope}:registry https://gitea.example.com/api/packages/{owner}/npm/
+npm config set {scope}:registry=https://gitea.example.com/api/packages/{owner}/npm/
 npm config set -- '//gitea.example.com/api/packages/{owner}/npm/:_authToken' "{token}"
 ```
 
@@ -43,7 +43,7 @@ npm config set -- '//gitea.example.com/api/packages/{owner}/npm/:_authToken' "{t
 例如：
 
 ```shell
-npm config set @test:registry https://gitea.example.com/api/packages/testuser/npm/
+npm config set @test:registry=https://gitea.example.com/api/packages/testuser/npm/
 npm config set -- '//gitea.example.com/api/packages/testuser/npm/:_authToken' "personal_access_token"
 ```