feat(organization): add organization table (#2669)

crates/api_models/src/organization.rs

@@ -0,0 +1,13 @@
+pub struct OrganizationNew {
+    pub org_id: String,
+    pub org_name: Option<String>,
+}
+
+impl OrganizationNew {
+    pub fn new(org_name: Option<String>) -> Self {
+        Self {
+            org_id: common_utils::generate_id_with_default_len("org"),
+            org_name,
+        }
+    }
+}