added scripts, updated contributing.md, fixed install issues

[tshmieldev]

Added:

• Scripts (install, lint)
• Basic eslint config
• fixed an issue when doing npm i in pulsarApp (now it works if you run npm run install:all in root)
• updated contributing.md to include this change

[Copilot]

Pull request overview

Adds a root-level developer workflow for installing JS/TS dependencies and running linters across the monorepo, while updating ESLint configs to enforce unused import cleanup and documenting the new setup in CONTRIBUTING.

Changes:

• Added root package.json scripts and scripts/*.sh helpers for install:all and multi-language linting.
• Updated ESLint configs in PulsarApp and react-native-pulsar to use eslint-plugin-unused-imports.
• Updated CONTRIBUTING.md to direct contributors to the root install/lint workflow; lockfiles updated accordingly.

Reviewed changes

Copilot reviewed 12 out of 16 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
scripts/lint.sh	Aggregates JS/TS, Kotlin, and Swift lint scripts into one command.
scripts/lint-js.sh	Runs ESLint in PulsarApp and the RN library via npm --prefix.
scripts/lint-kotlin.sh	Adds ktlint invocation for Android and RN-Android Kotlin sources.
scripts/lint-swift.sh	Adds swiftlint invocation for iOS SDK and RN-iOS sources.
scripts/install.sh	Installs dependencies in RN lib, PulsarApp, and docs from repo root.
package.json	Introduces root “orchestrator” scripts (install:all, lint:*).
react-native/react-native-pulsar/package.json	Adds eslint-plugin-unused-imports (dev dependency).
react-native/react-native-pulsar/package-lock.json	Lockfile updated for new dev dependency and version metadata.
react-native/react-native-pulsar/eslint.config.mjs	Configures unused-imports plugin and rules; disables base unused-vars rules.
react-native/react-native-pulsar/.npmrc	Adds legacy-peer-deps=true to change npm install behavior.
PulsarApp/package.json	Adds eslint-plugin-unused-imports (dev dependency).
PulsarApp/package-lock.json	Lockfile updated; reflects RN library version metadata and new dev dependency.
PulsarApp/eslint.config.js	Configures unused-imports plugin and rules on top of Expo flat config.
docs/package-lock.json	Lockfile churn from re-install (optional/devOptional metadata changes).
CONTRIBUTING.md	Documents npm run install:all and new root lint commands; removes repeated per-package npm install steps.
.gitignore	Updates ignore patterns (includes a suspicious new mlekoscripts entry).

Files not reviewed (3)

• PulsarApp/package-lock.json: Language not supported
• docs/package-lock.json: Language not supported
• react-native/react-native-pulsar/package-lock.json: Language not supported

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