Some linter setup

package.json

@@ -3,9 +3,11 @@
   "version": "1.0.0",
   "description": "A modern web app using a Django backend and an Angular frontend.",
   "scripts": {
-    "test": "eslint . && remark .",
-    "eslint": "eslint .",
-    "remark": "remark ."
+    "lint": "run-p lint:js lint:md lint:py",
+    "lint:js": "eslint .",
+    "lint:md": "remark .",
+    "lint:py": "pycodestyle --config=setup.cfg --count .",
+    "lint:py-type": "pyright"
   },
   "repository": {
     "type": "git",
@@ -15,6 +17,9 @@
   "license": "ISC",
   "dependencies": {
     "eslint": "3.19.0",
+    "husky": "4.2.5",
+    "npm-run-all": "4.1.5",
+    "pyright": "1.1.42",
     "remark-cli": "7.0.0",
     "remark-preset-lint-recommended": "3.0.3"
   },
@@ -22,5 +27,10 @@
     "plugins": [
       "remark-preset-lint-recommended"
     ]
+  },
+  "husky": {
+    "hooks": {
+      "pre-push": "npm run lint"
+    }
   }
 }