Merge branch 'custom_llm_base'

fix: updated readme and corrected server and worker to updates

added migration

fix: openai url typo & displaying models

chore: tidying up

common/src/utils/config.rs

@@ -12,12 +12,18 @@ pub struct AppConfig {
     #[serde(default = "default_data_dir")]
     pub data_dir: String,
     pub http_port: u16,
+    #[serde(default = "default_base_url")]
+    pub openai_base_url: String,
 }
 
 fn default_data_dir() -> String {
     "./data".to_string()
 }
 
+fn default_base_url() -> String {
+    "https://api.openai.com/v1".to_string()
+}
+
 pub fn get_config() -> Result<AppConfig, ConfigError> {
     let config = Config::builder()
         .add_source(File::with_name("config").required(false))