docs(bridge-history-api): add readme contents (#922)

Co-authored-by: HAOYUatHZ <37070449+HAOYUatHZ@users.noreply.github.com>
Co-authored-by: HAOYUatHZ <haoyu@protonmail.com>

.github/workflows/bump_version.yml

@@ -1,4 +1,4 @@
-name: Bump Version
+name: Bump version
 
 on:
   pull_request:

bridge-history-api/README.md

@@ -1 +1,82 @@
 # bridge-history-api
+
+This directory contains the `bridge-history-api` service that provides REST APIs to query txs interact with Scroll official bridge contracts
+
+## Instructions
+The bridge-history-api contains three distinct components
+
+### bridgehistoryapi-db-cli
+
+Provide init, show version, rollback, check status services of DB
+```
+    cd ./bridge-history-api
+    make bridgehistoryapi-db-cli
+    ./build/bin/bridgehistoryapi-db-cli [command]
+```
+
+### bridgehistoryapi-cross-msg-fetcher
+
+Fetch the transactions from both l1 and l2
+```
+    cd ./bridge-history-api
+    make bridgehistoryapi-cross-msg-fetcher
+    ./build/bin/bridgehistoryapi-cross-msg-fetcher
+```
+
+### bridgehistoryapi-server
+
+provides REST APIs. Please refer to the API details below.
+```
+    cd ./bridge-history-api
+    make bridgehistoryapi-server
+    ./build/bin/bridgehistoryapi-server
+```
+
+## APIs provided by bridgehistoryapi-server
+
+assume `bridgehistoryapi-server` listening on `https://localhost:8080`
+can change this port thru modify `config.json`
+
+1. `/txs`
+```
+// @Summary    	 get all txs under given address
+// @Accept       plain
+// @Produce      plain
+// @Param        address query string true "wallet address"
+// @Param        page_size query int true "page size"
+// @Param        page query int true "page"
+// @Success      200
+// @Router       /api/txs [get]
+```
+
+2. `/txsbyhashes`
+```
+// @Summary    	 get txs by given tx hashes
+// @Accept       plain
+// @Produce      plain
+// @Param        hashes  query  string array  true  "array of hashes list"
+// @Success      200  
+// @Router       /api/txsbyhashes [post]
+```
+
+3. `/claimable`
+```
+// @Summary    	 get all claimable txs under given address
+// @Accept       plain
+// @Produce      plain
+// @Param        address query string true "wallet address"
+// @Param        page_size query int true "page size"
+// @Param        page query int true "page"
+// @Success      200
+// @Router       /api/claimable [get]
+```
+
+4. `/withdraw_root`
+```
+// @Summary    	 get withdraw_root of given batch index
+// @Accept       plain
+// @Produce      plain
+// @Param        batch_index  query string  true  "batch_index"
+// @Success      200
+// @Router       /api/withdraw_root [get]
+```