Add pre-commit config for eslint (#259)

* Add eslint config

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -62,3 +62,16 @@ repos:
     -   id: pyupgrade
         args:
         -   --py310-plus
+
+-   repo: https://github.com/pre-commit/mirrors-eslint
+    rev: v8.4.0
+    hooks:
+    -   id: eslint
+        files: pyscriptjs/src/.*\.[jt]sx?$  # *.js, *.jsx, *.ts and *.tsx
+        types: [file]
+        additional_dependencies:
+        -   eslint
+        -   eslint-plugin-svelte3
+        -   typescript
+        -   '@typescript-eslint/eslint-plugin'
+        -   '@typescript-eslint/parser'

pyscriptjs/tsconfig.json

@@ -1,5 +1,7 @@
 {
-  "extends": "@tsconfig/svelte/tsconfig.json",
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "display": "Svelte",
+  "_version": "3.0.0",
 
   "include": ["src/**/*"],
   "exclude": ["node_modules/*", "__sapper__/*", "public/*"],