Clean up project meta

Remove .github templates, CODE_OF_CONDUCT, CONTRIBUTING, and CocoaPods podspec. Simplify README to match sparrowcode style.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: ivanvorobei

.github/FUNDING.yml

@@ -2,47 +2,10 @@
 
 Collection of Swift-extensions to boost development process.
 
-### iOS Dev Community
-
-<p float="left">
-    <a href="https://twitter.com/i/communities/1730194338489987403">
-        <img src="https://cdn.sparrowcode.io/github/badges/x-community.png?version=1" height="52">
-    </a>
-</p>
-
 ## Installation
 
-Ready to use on iOS 13+, tvOS 13+, watchOS 6.0+.
-
-### Swift Package Manager
-
-In Xcode go to Project -> Your Project Name -> `Package Dependencies` -> Tap *Plus*. Insert url:
+In Xcode: File → Add Package Dependencies → paste URL:
 
 ```
 https://github.com/sparrowcode/SwiftBoost
 ```
-
-or adding it to the `dependencies` of your `Package.swift`:
-
-```swift
-dependencies: [
-    .package(url: "https://github.com/sparrowcode/SwiftBoost", .upToNextMajor(from: "4.0.8"))
-]
-```
-
-### CocoaPods:
-
-This is an outdated way of doing things. I advise you to use [SPM](#swift-package-manager). However, I will continue to support Cocoapods for some time.
-
-<details><summary>Cocoapods Instalation</summary>
-
-[CocoaPods](https://cocoapods.org) is a dependency manager. For usage and installation instructions, visit their website. To integrate using CocoaPods, specify it in your `Podfile`:
-
-```ruby
-pod 'SwiftBoost'
-```
-</details>
-
-### Manually
-
-If you prefer not to use any of dependency managers, you can integrate manually. Put `Sources/SwiftBoost` folder in your Xcode project. Make sure to enable `Copy items if needed` and `Create groups`.