Tooling improvements (#34)

* feat: update tsconfig, uninstall vercel/ncc package and use tsc to build project

* feat: install 1password/front-end-style and configure Prettier

* feat: configure ESLint and fix lint errors

* build(deps): update types/node package to latest version

* feat: configure Jest

* feat: add 'validate' script to run formatting/linting/testing/building all together

* build: rebuild the dist/index.js file

* feat: make NPM scripts more granular

* refactor: make it clearer that Prettier config is being loaded from an existing dependency

* feat: add Husky and lint-staged to run pre-commit and pre-push checks

* fix: lint-staged testing step and Jest config file

* build(deps): update types/node package to latest version

* refactor: remove findrelated test script

* fix: move tsconfig.json to root directory, reinstall vercel/ncc for building

* fix: call to run function in index.ts

* build: rebuild the dist/index.js file

* fix: replace CommonJS __dirname with an ESModule equivalent

* fix: ignore config/.husky during ShellCheck

* fix: ignore .husky directory during ShellCheck

* fix: update lint.yml config to match ShellCheck README.md

* fix: remove coveragePathIgnorePatterns option from Jest config since node_modules is already the default value

* refactor: use './' prefix to refer to folders in the current directory in tsconfig.json

* fix: handle edge case where Error constructor is modified and add comments for context

* feat: bump package.json version to 1.2.0 to match current release

* fix: update lint.yml to use ShellCheck 2.0.0 exact version

* build(deps): update types/node package to latest version

* fix: update package-lock.json version 1.2.0

* feat: remove pre-commit and pre-push NPM scripts to simplify package.json

* fix: remove empty 'Default' column from 'configure Action Inputs' table

* fix: change the default values in action.yml to strings as per YAML validation

action.yml

@@ -7,10 +7,10 @@ branding:
 inputs:
   unset-previous:
     description: Whether to unset environment variables populated by 1Password in earlier job steps
-    default: false
+    default: "false"
   export-env:
     description: Export the secrets as environment variables
-    default: true
+    default: "true"
 runs:
-  using: 'node16'
-  main: 'dist/index.js'
+  using: "node16"
+  main: "dist/index.js"