prepare 5.3.1 (#192)

Author: aeschli

.editorconfig

@@ -0,0 +1,28 @@
+import typescriptEslint from "@typescript-eslint/eslint-plugin";
+import tsParser from "@typescript-eslint/parser";
+
+export default [{
+    files: ["**/*.ts"],
+
+    plugins: {
+        "@typescript-eslint": typescriptEslint,
+    },
+
+    languageOptions: {
+        parser: tsParser,
+        ecmaVersion: 6,
+        sourceType: "module",
+    },
+
+    rules: {
+        "@typescript-eslint/naming-convention": ["warn", {
+            selector: "typeLike",
+            format: ["PascalCase"],
+        }],
+
+        curly: "warn",
+        eqeqeq: "warn",
+        "no-throw-literal": "warn",
+        semi: "off",
+    },
+}];