spec: update spec with tendermint updates (#62)

* spec: update spec with tendermint updates

- this in preperation of deleting the spec folder in docs in tendermint/tendermint

Signed-off-by: Marko Baricevic <marbar3778@yahoo.com>

* spec: added in reactors & p2p

Signed-off-by: Marko Baricevic <marbar3778@yahoo.com>

* spec: update readme in spec to comply with docs site

Signed-off-by: Marko Baricevic <marbar3778@yahoo.com>

* docs: addded more changes from tednermint/tendermint

Signed-off-by: Marko Baricevic <marbar3778@yahoo.com>

spec/abci/README.md

@@ -1,4 +1,8 @@
-# Overview
+---
+cards: true
+---
+
+# ABCI
 
 ABCI is the interface between Tendermint (a state-machine replication engine)
 and your application (the actual state machine). It consists of a set of

spec/abci/abci.md

@@ -54,7 +54,7 @@ Each event has a `type` which is meant to categorize the event for a particular
 `Response*` or tx. A `Response*` or tx may contain multiple events with duplicate
 `type` values, where each distinct entry is meant to categorize attributes for a
 particular event. Every key and value in an event's attributes must be UTF-8
-encoded strings along with the even type itself.
+encoded strings along with the event type itself.
 
 Example:
 
@@ -393,9 +393,6 @@ Commit are included in the header of the next block.
     For heights > 1, it's the weighted median of the timestamps of the valid
     votes in the block.LastCommit.
     For height == 1, it's genesis time.
-  - `NumTxs (int32)`: Number of transactions in the block
-  - `TotalTxs (int64)`: Total number of transactions in the blockchain until
-    now
   - `LastBlockID (BlockID)`: Hash of the previous (parent) block
   - `LastCommitHash ([]byte)`: Hash of the previous block's commit
   - `ValidatorsHash ([]byte)`: Hash of the validator set for this block