Improve OasisScan's swagger README

.changelog/2060.trivial.md

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+Improve OasisScan's swagger README

src/vendors/oasisscan/README.md

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-# Oasis Scan
+# Typescript bindings for Oasis Scan
 
-See [../explorer/README.md](../explorer/README.md)
+This folder contains generated typescript bindings for OasisScan.
+
+To update the bindings:
+
+1. Update swagger.yml based on
+   - <https://api.oasisscan.com/mainnet/swagger-ui/>
+   - <https://api.oasisscan.com/mainnet/v2/api-docs>
+   - <https://github.com/bitcat365/oasisscan-backend>
+
+2. Generate the bindings:
+
+   ```sh
+   npx @openapitools/openapi-generator-cli generate \
+    -i swagger.yml \
+    -g typescript-fetch \
+    -o . \
+    --additional-properties=modelPropertyNaming=original,typescriptThreePlus=true
+   ```
+
+   or
+
+   ```sh
+   docker run --rm --user "${UID}:${GID}" \
+    -v ${PWD}:/local \
+    --workdir /local \
+    openapitools/openapi-generator-cli:v5.1.0 generate \
+    -i swagger.yml \
+    -g typescript-fetch \
+    -o . \
+    --additional-properties=modelPropertyNaming=original,typescriptThreePlus=true
+   ```
+
+3. Lint:
+
+   ```sh
+   yarn lint:fix
+   ```