Pixi renderer!

This commit adds the Pixi renderer. It also contains the new layouter
(spcl#34), however that one will land in a different PR.

.babelrc

@@ -4,6 +4,7 @@
         "@babel/preset-typescript"
     ],
     "plugins": [
-        "@babel/plugin-transform-runtime"
+        "@babel/plugin-transform-runtime",
+        "@babel/plugin-proposal-class-properties"
     ]
 }

.eslintrc.js

@@ -1,24 +1,47 @@
 module.exports = {
-    "env": {
-        "browser": true,
-        "es2021": true
+    'env': {
+        'browser': true,
+        'es2021': true
     },
-    "extends": [
-        "eslint:recommended",
-        "plugin:@typescript-eslint/recommended"
+    'extends': [
+        'eslint:recommended',
+        'plugin:@typescript-eslint/recommended'
     ],
-    "parser": "@typescript-eslint/parser",
-    "parserOptions": {
-        "ecmaVersion": 12,
-        "sourceType": "module"
+    'parser': '@typescript-eslint/parser',
+    'parserOptions': {
+        'ecmaVersion': 12,
+        'sourceType': 'module'
     },
-    "plugins": [
-        "@typescript-eslint"
+    'plugins': [
+        '@typescript-eslint'
     ],
-    "ignorePatterns": ["**/*.js"],
-    "rules": {
-        "@typescript-eslint/no-explicit-any": "off",
+    'ignorePatterns': ['**/*.js'],
+    'rules': {
+        '@typescript-eslint/no-explicit-any': 'off',
         "@typescript-eslint/no-non-null-assertion": "off",
         "prefer-arrow-callback": "error",
+        'indent': [
+            'error',
+            4,
+            {
+                'SwitchCase': 1,
+            }
+        ],
+        'linebreak-style': [
+            'error',
+            'unix'
+        ],
+        'quotes': [
+            'error',
+            'single'
+        ],
+        'semi': [
+            'error',
+            'always'
+        ],
+        'prefer-arrow-callback': 'error',
+        '@typescript-eslint/no-non-null-assertion': 'off',
+        'camelcase': 'error',
+        '@typescript-eslint/ban-ts-comment': 'off',
     }
 };

.gitignore

@@ -1,3 +1,5 @@
+.DS_Store
+
 # Logs
 logs
 *.log

README.md

@@ -14,7 +14,6 @@ npm install
 npm run watch
 ```
 
-Before committing your changes, run `npm install && npm run build-prod` to build
-a production bundle. GitHub Actions will fail if the production bundle in your
-commit is not up-to-date. If the CI is failing, make sure that you run
-`npm install` before building as the dependencies might've changed.
+To launch a local server with hot reloading, replace the second command with `npm run serve`.
+
+Before committing your changes, run `npm install && npm run build-prod` to build a production bundle. GitHub Actions will fail if the production bundle in your commit is not up-to-date. If the CI is failing, make sure that you run `npm install` before building as the dependencies might've changed.