feat: add a history attribute to plugin config as described in #110 (#112)

* feat: add a history attribute to plugin config as described in #110

closes #110

* fix: Correct grammar mistake in comment

Co-authored-by: Jacob Kauffmann <jacobgkau@users.noreply.github.com>

service/src/plugins/config.rs

@@ -27,6 +27,9 @@ pub struct PluginConfig {
 
     #[serde(default)]
     pub query: PluginQuery,
+
+    #[serde(default)]
+    pub history: bool,
 }
 
 #[derive(Debug, Default, Deserialize)]

service/src/plugins/help.rs

@@ -23,6 +23,7 @@ pub const CONFIG: PluginConfig = PluginConfig {
         regex: None,
     },
     icon: Some(IconSource::Name(Cow::Borrowed("system-help-symbolic"))),
+    history: false
 };
 pub struct HelpPlugin {
     pub id: usize,