docs: Remove system-specific paths and add cross-platform instructions

- Replace /Users/tgunn absolute path with generic path/to/Parakeet-TDT
- Add Windows-specific port troubleshooting commands
- Make documentation agnostic to user's system
- Now works equally well on Windows, macOS, and Linux

Author: Gunn1

GETTING_STARTED.md

@@ -18,11 +18,13 @@ A full-stack audio transcription application with:
 
 ### Step 1: Open Terminal
 
-Navigate to your project:
+Navigate to your project directory:
 ```bash
-cd /Users/tgunn/PycharmProjects/"Parakeet TDT"
+cd path/to/Parakeet-TDT
 ```
 
+(Replace `path/to/Parakeet-TDT` with wherever you cloned the repository)
+
 ### Step 2: Run Everything
 
 **On macOS/Linux:**
@@ -136,6 +138,7 @@ chmod +x start.sh
 
 ### Port 8000 already in use
 
+**On macOS/Linux:**
 ```bash
 # Check what's using it
 lsof -i :8000
@@ -147,6 +150,18 @@ kill -9 <PID>
 uvicorn main:app --port 8001
 ```
 
+**On Windows:**
+```bash
+# Find what's using port 8000
+netstat -ano | findstr :8000
+
+# Kill the process (replace PID with the number from above)
+taskkill /PID <PID> /F
+
+# Or use a different port
+uvicorn main:app --port 8001
+```
+
 ### "Unable to access microphone"
 
 1. Allow microphone permission in browser popup