[Docs] Update change log & Fix README

CHANGELOG.md

@@ -1,3 +1,22 @@
+## 0.3.2
+
+### Improvements
+#### [\#313](https://github.com/terra-project/core/pull/313) upgrade SDK
+* Bump SDK version to [v0.37.5](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.37.5)
+* Tendermint version to [v0.32.8](https://github.com/tendermint/tendermint/releases/tag/v0.32.8)
+#### [\#312](https://github.com/terra-project/core/pull/312) upgrade golangci-lint version to v1.22.2
+
+## 0.3.1
+
+### Bug Fixes
+#### [\#303](https://github.com/terra-project/core/pull/303) fix estimate fee endpoint for multiple signature tx
+#### [\#304](https://github.com/terra-project/core/pull/304) genesis scrpit update
+
+### Improvements
+#### [\#301](https://github.com/terra-project/core/pull/301) README update
+#### [\#305](https://github.com/terra-project/core/pull/305) swagger update
+#### [\#306](https://github.com/terra-project/core/pull/306) circleci update for goreleaser
+
 ## 0.3.0
 ### Breaking Changes
 #### [\#265](https://github.com/terra-project/core/pull/265) Oracle refactor & Oracle slashing

README.md

@@ -26,21 +26,21 @@ Terra Core builds on [Tendermint](https://github.com/tendermint/tendermint) cons
 
 ### Network
 
-- Mainnet Columbus-2 is online. [The launch repo](https://github.com/terra-project/launch) contains snapshot of the launch as well as network updates. 
+- Mainnet Columbus-3 is online. [The launch repo](https://github.com/terra-project/launch) contains snapshot of the launch as well as network updates. 
 
-- Public testnet Soju-0009 is online. [Our networks repo](https://github.com/terra-project/networks) contains latest configuration files for the testnet. [The Faucet](https://faucet.terra.money) can be used to get free tokens for the testnet. 
+- Public testnet Soju-0013 is online. [Our networks repo](https://github.com/terra-project/networks) contains latest configuration files for the testnet. [The Faucet](https://faucet.terra.money) can be used to get free tokens for the testnet. 
 
 
 ### Ecosystem
 
 - Block Explorers
     - [Terra Finder](https://finder.terra.money)
-    - [Figment Hubble](https://hubble.figment.network/terra/chains/columbus-2)
+    - [Figment Hubble](https://hubble.figment.network/terra/chains/columbus-3)
     - [Stake ID by StakingFund](https://terra.stake.id)
     - [Big Dipper by Forbole](https://terra.bigdipper.live/)
 
 - Wallet 
-    - [Terra Station](https://terra.money): Available for download on the Terra website
+    - [Terra Station](https://station.terra.money)
 
 
 ### Terra Alliance

client/lcd/swagger-ui/swagger.yaml

@@ -3418,7 +3418,7 @@ definitions:
         $ref: "#/definitions/UnsignedStdTx"
       chain_id:
         type: string
-        example: "columbus-2"
+        example: "columbus-3"
       signatures:
         type: array
         items: