added description to external ids in swagger docs

Author: qcdyx

docs/DatabaseCatalogAPI.yaml

@@ -432,6 +432,12 @@ components:
           format: date-time
         external_ids:
           $ref: "#/components/schemas/ExternalIds"
+          description: |
+            JBDA: Automatically imported from http://docs.gtfs-data.jp/api.v2.html. Pattern is jbda-<organisation_id>-<feed_id>.
+            TDG: Automatically imported from https://doc.transport.data.gouv.fr/outils/outils-disponibles-sur-le-pan/api. Pattern is tdg-<resource_id>.
+            NTD: Automatically imported from https://www.transit.dot.gov/ntd/data-product/2023-annual-database-general-transit-feed-specification-gtfs-weblinks. Pattern is ntd-<ntd_id>.
+            TransitFeeds: Automatically imported from old TransitFeeds website. Pattern is tfs-<feed_id>.
+            Transit.land: Imported from https://www.transit.land/documentation/rest-api/feeds. Pattern is tld-<feed_id>.
         provider:
           description: A commonly used name for the transit provider included in the feed.
           type: string
@@ -780,6 +786,12 @@ components:
           example: true
         external_ids:
           $ref: "#/components/schemas/ExternalIds"
+          description: |
+            JBDA: Automatically imported from http://docs.gtfs-data.jp/api.v2.html. Pattern is jbda-<organisation_id>-<feed_id>.
+            TDG: Automatically imported from https://doc.transport.data.gouv.fr/outils/outils-disponibles-sur-le-pan/api. Pattern is tdg-<resource_id>.
+            NTD: Automatically imported from https://www.transit.dot.gov/ntd/data-product/2023-annual-database-general-transit-feed-specification-gtfs-weblinks. Pattern is ntd-<ntd_id>.
+            TransitFeeds: Automatically imported from old TransitFeeds website. Pattern is tfs-<feed_id>.
+            Transit.land: Imported from https://www.transit.land/documentation/rest-api/feeds. Pattern is tld-<feed_id>.
         provider:
           description: A commonly used name for the transit provider included in the feed.
           type: string
@@ -954,14 +966,27 @@ components:
 
     ExternalIds:
       type: array
+      description: |
+        The ID that can be use to find the feed data in an external or legacy database.
+        JBDA: Automatically imported from http://docs.gtfs-data.jp/api.v2.html. Pattern is jbda-<organisation_id>-<feed_id>.
+        TDG: Automatically imported from https://doc.transport.data.gouv.fr/outils/outils-disponibles-sur-le-pan/api. Pattern is tdg-<resource_id>.
+        NTD: Automatically imported from https://www.transit.dot.gov/ntd/data-product/2023-annual-database-general-transit-feed-specification-gtfs-weblinks. Pattern is ntd-<ntd_id>.
+        TransitFeeds: Automatically imported from old TransitFeeds website. Pattern is tfs-<feed_id>.
+        Transit.land: Imported from https://www.transit.land/documentation/rest-api/feeds. Pattern is tld-<feed_id>.
       items:
         $ref: "#/components/schemas/ExternalId"
 
     ExternalId:
       type: object
       properties:
         external_id:
-          description: The ID that can be use to find the feed data in an external or legacy database.
+          description: | 
+            The ID that can be use to find the feed data in an external or legacy database.
+            JBDA: Automatically imported from http://docs.gtfs-data.jp/api.v2.html. Pattern is jbda-<organisation_id>-<feed_id>.
+            TDG: Automatically imported from https://doc.transport.data.gouv.fr/outils/outils-disponibles-sur-le-pan/api. Pattern is tdg-<resource_id>.
+            NTD: Automatically imported from https://www.transit.dot.gov/ntd/data-product/2023-annual-database-general-transit-feed-specification-gtfs-weblinks. Pattern is ntd-<ntd_id>.
+            TransitFeeds: Automatically imported from old TransitFeeds website. Pattern is tfs-<feed_id>.
+            Transit.land: Imported from https://www.transit.land/documentation/rest-api/feeds. Pattern is tld-<feed_id>.
           type: string
           example: 1210
         source: