Add prettier for staged files

Author: james-toussaint

.husky/pre-commit

@@ -0,0 +1 @@
+lint-staged

.prettierrc

@@ -0,0 +1,10 @@
+{
+    "printWidth": 100,
+    "singleQuote": true,
+    "tabWidth": 4,
+    "trailingComma": "all",
+    "endOfLine": "auto",
+    "plugins": [
+        "prettier-plugin-organize-imports"
+    ]
+}

package.json

@@ -4,12 +4,17 @@
   "author": "iExec",
   "license": "Apache-2.0",
   "scripts": {
-    "test-builds": "bash test-builds.sh",
+    "prepare": "husky",
     "codegen": "graph codegen subgraph.template.yaml",
     "test": "npm run codegen && graph test",
     "test-docker": "npm run codegen && docker run -it --rm -v $(pwd):/matchstick/subgraph rainprotocol/matchstick:main",
     "build": "npm run codegen && graph build subgraph.${NETWORK_NAME:-bellecour}.yaml"
   },
+  "lint-staged": {
+    "*.{js,ts}": [
+      "prettier --write"
+    ]
+  },
   "homepage": "https://github.com/iExecBlockchainComputing/PoCo-subgraph.git#readme",
   "repository": {
     "type": "git",
@@ -21,7 +26,11 @@
   "devDependencies": {
     "@graphprotocol/graph-cli": "^0.86.0",
     "@graphprotocol/graph-ts": "^0.35.1",
-    "matchstick-as": "^0.6.0"
+    "husky": "^9.1.6",
+    "lint-staged": "^15.2.10",
+    "matchstick-as": "^0.6.0",
+    "prettier": "^3.3.3",
+    "prettier-plugin-organize-imports": "^4.1.0"
   },
   "dependencies": {
     "@iexec/poco": "5.3.0",