docs: use absolute links (#1617)

docs/spec/reactors/mempool/README.md

@@ -1,11 +0,0 @@
-# Mempool Specification
-
-This package contains documents specifying the functionality
-of the mempool module.
-
-Components:
-
-* [Config](./config.md) - how to configure it
-* [External Messages](./messages.md) - The messages we accept over p2p and rpc interfaces
-* [Functionality](./functionality.md) - high-level description of the functionality it provides
-* [Concurrency Model](./concurrency.md) - What guarantees we provide, what locks we require.

docs/spec/reactors/mempool/messages.md

@@ -32,6 +32,7 @@ wait before returning (sync makes sure CheckTx passes, commit
 makes sure it was included in a signed block).
 
 Request (`POST http://gaia.zone:46657/`):
+
 ```json
 {
  "id": "",
@@ -43,8 +44,8 @@ Request (`POST http://gaia.zone:46657/`):
 }
 ```
 
-
 Response:
+
 ```json
 {
  "error": "",