John Niang 4ea20142f5 Add generator meta into head (#4821) ... #### What type of PR is this? /kind feature /area core /milestone 2.11.x #### What this PR does / why we need it: Please see https://html.spec.whatwg.org/multipage/semantics.html#meta-generator for more. This PR add the generator meta into head, so that we can know what sites are using Halo. ```bash http localhost:8090/ | grep generator <meta name="generator" content="Halo 2.11.0-SNAPSHOT"/> ``` If someone want to disable the generator meta, they can configure the property `halo.theme.generator-meta-disabled` to `true`. #### Does this PR introduce a user-facing change? ```release-note 添加 Generator 元数据标识 ```		2023-11-06 02:52:48 +00:00
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src	Add generator meta into head (#4821)	2023-11-06 02:52:48 +00:00
build.gradle	Upgrade to Spring Boot 3.1.5 (#4758)	2023-10-20 03:24:44 +00:00