Revert merging of server and client repository

src/backend/client/persons.rs

@@ -0,0 +1,18 @@
+use super::Backend;
+use crate::database::Person;
+use anyhow::Result;
+
+impl Backend {
+    /// Get all available persons from the server.
+    pub async fn get_persons(&self) -> Result<Vec<Person>> {
+        let body = self.get("persons").await?;
+        let persons: Vec<Person> = serde_json::from_str(&body)?;
+        Ok(persons)
+    }
+
+    /// Post a new person to the server.
+    pub async fn post_person(&self, data: &Person) -> Result<()> {
+        self.post("persons", serde_json::to_string(data)?).await?;
+        Ok(())
+    }
+}