refactor: bring down eslint warnings to zero (#1714)

- install `@eslint-react/eslint-plugin` dependency
- configure `@eslint-react/eslint-plugin` in eslint config
- modernize `lint` command in `package.json`
- disable or fix various reported lint issues
- fix `div` being nested in `p` for settings
- replace deprecated `event.keyCode` with `event.key`
- update isEscKeyPress method and unit tests which used deprecated `event.keyCode`
- allow `eslint` v8 as peer dependency for `@eslint-react/eslint-plugin`

1 files changed, 1 insertions, 0 deletions

diff --git a/src/index.ts b/src/index.ts
index a2fcfb890..999d84348 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -572,6 +572,7 @@ ipcMain.on(
           for (const key in headers) {
             if (Object.prototype.hasOwnProperty.call(headers, key)) {
               const value = headers[key];
+              // eslint-disable-next-line no-param-reassign
               details.requestHeaders[key] = value;
             }
           }