docs: Add Windows package manager installation instructions

Add instructions for installing CCExtractor via:
- WinGet (winget install CCExtractor.CCExtractor)
- Chocolatey (choco install ccextractor)
- Scoop (scoop bucket add extras && scoop install ccextractor)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

README.md

@@ -28,6 +28,24 @@ The core functionality is written in C. Other languages used include C++ and Pyt
 
 Downloads for precompiled binaries and source code can be found [on our website](https://ccextractor.org/public/general/downloads/).
 
+### Windows Package Managers
+
+**WinGet:**
+```powershell
+winget install CCExtractor.CCExtractor
+```
+
+**Chocolatey:**
+```powershell
+choco install ccextractor
+```
+
+**Scoop:**
+```powershell
+scoop bucket add extras
+scoop install ccextractor
+```
+
 Extracting subtitles is relatively simple. Just run the following command:
 
 `ccextractor <input>`