refactor: various improvements (#1296)

* refactor: various improvements

- enable no-use-before-define eslint rule
- shuffle code to conform to no-use-before-define eslint rule
- remove btoa dependency which is deprecated and replace with Buffer.from(string).toString('base64')
- convert some any types into useful ones
- add type annotations where possible
- remove unused @types/expect.js
- install @types/semver and ts-node which were missing
- repair and rewrite add-crowdin-contributors script
- remove export keyword from variables which are never consumed in another file
- remove unity indicator hack where linked issue was closed
- remove module declaration for kebab-case which is unused
- add missing state interface for certain components
- remove default exports for files which already have a named export
- export IRecipePreview so it can be used throughout codebase
- remove unused removeCacheForCallWith method from CachedRequest.ts
- cleanup unused colors and styles inside legacy theme

* - improve ColorPickerInput
- fix invalid DOM nesting with div inside p in EditSettingsForm
- fix progressbarAccentColor color picker not updating input when using slider
- install missing @types/react-color dependency

1 files changed, 3 insertions, 3 deletions

diff --git a/src/config.ts b/src/config.ts
index 336085685..21a7462b9 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -92,9 +92,9 @@ export const NAVIGATION_BAR_BEHAVIOURS = {
   never: 'Never show navigation bar',
 };
 
-export const SEARCH_ENGINE_STARTPAGE = 'startPage';
-export const SEARCH_ENGINE_GOOGLE = 'google';
-export const SEARCH_ENGINE_DDG = 'duckDuckGo';
+const SEARCH_ENGINE_STARTPAGE = 'startPage';
+const SEARCH_ENGINE_GOOGLE = 'google';
+const SEARCH_ENGINE_DDG = 'duckDuckGo';
 export const SEARCH_ENGINE_NAMES = {
   [SEARCH_ENGINE_STARTPAGE]: 'Startpage',
   [SEARCH_ENGINE_GOOGLE]: 'Google',