Fix json naming of ProgramItem section_id to use camelCase

src/database/migrations/0006-fix_view_program_seq-up.sql

@@ -4,7 +4,7 @@ CREATE VIEW program_sequences AS
 WITH psi_sorted AS (
     SELECT psi.program_id program_id,
            json_object(
-               'section_id', psi.section_id,
+               'sectionId', psi.section_id,
                'duration', psi.duration)
                obj
     FROM program_sequence_items AS psi

src/model/program.rs

@@ -4,6 +4,7 @@ use serde::{Deserialize, Serialize};
 use std::{sync::Arc, time::Duration};
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
 pub struct ProgramItem {
     pub section_id: SectionId,
     #[serde(