chore(db): add pre-commit for swagger documentation

Signed-off-by: Klagarge <remi@heredero.ch>

.pre-commit-config.yaml

@@ -0,0 +1,9 @@
+repos:
+  - repo: local
+    hooks:
+      - id: swag-init
+        name: swag init
+        entry: bash -c 'export PATH=$PATH:$(go env GOPATH)/bin && cd db/src && swag init'
+        language: system
+        files: ^db/src/.*\.go$
+        pass_filenames: false

db/README.md

@@ -21,7 +21,18 @@ docker compose up -d
 ## Development
 
 ### Swagger Documentation
+To ensure the Swagger documentation is always up to date, we use [pre-commit](https://pre-commit.com/). It runs `swag init` automatically before each commit if any Go files in `db/src` have changed.
 
+To install the hooks:
+```bash
+pre-commit install
+```
+
+Alternatively, you can run it manually:
+```bash
+pre-commit run --all-files
+```
+or from `db/src`:
 ```bash
 swag init
 ```