Add support for networks using WitnetFeeds contract

README.md

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+# Data Feeds Explorer
+
+## Feeds Configuration File
+
+The configuration file for the monitored networks is located the [API package](https://github.com/witnet/data-feeds-explorer/blob/main/packages/api/src/dataFeedsRouter.json).
+
+The networks still using the old witnet price router are marked using legacy: true in the network configuration. The feeds key consists of a map with the default values of the existing price feeds. According to that, the price feeds deployed using the default configuration have been deleted from the network feeds section. If a feed configuration appears in the network feeds, it will overwrite the default configuration. 
+
+All the available price feeds in a network called the supportedFeeds method.

packages/api/readme.md

@@ -1 +1 @@
-# apollo-server + mongodb + jest boilerplate
+# Data Feeds Explorer Api