feat: migrate to docusaurus (#13471)

docs/spec/README.md

@@ -1,6 +1,5 @@
 ---
-parent:
-  order: false
+sidebar_position: 1
 ---
 
 # Specifications
@@ -18,7 +17,7 @@ block.
 
 ## Modules specifications
 
-Go the [module directory](../../x/README.md)
+Go the [module directory](https://github.com/cosmos/cosmos-sdk/blob/main/x/README.md)
 
 ## Tendermint
 

docs/spec/_category_.json

@@ -0,0 +1,5 @@
+{
+    "label": "Specifications",
+    "position": 11,
+    "link": null
+}

docs/spec/addresses/bech32.md

@@ -18,4 +18,4 @@ While all user facing interfaces to Cosmos software should exposed Bech32 interf
 
 To covert between other binary representation of addresses and keys, it is important to first apply the Amino encoding process before Bech32 encoding.
 
-A complete implementation of the Amino serialization format is unnecessary in most cases. Simply prepending bytes from this [table](https://github.com/tendermint/spec/blob/master/spec/blockchain/encoding.md#public-key-cryptography) to the byte string payload before Bech32 encoding will sufficient for compatible representation.
+A complete implementation of the Amino serialization format is unnecessary in most cases. Simply prepending bytes from this [table](https://github.com/tendermint/spec/blob/master/spec/blockchain/05-encoding.md#public-key-cryptography) to the byte string payload before Bech32 encoding will sufficient for compatible representation.

docs/spec/reserve-pool/README.md

@@ -1,4 +1,4 @@
-# TODO
+# Reserve Pool
 
 The reserve pool is the pool of collected funds for use by governance taken via the `CommunityTax`.
 Currently with the Cosmos SDK, tokens collected by the CommunityTax are accounted for but unspendable.