fix: bootstrap URLs use master branch (repo default was not main)

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: MertCapkin

README.md

@@ -24,12 +24,12 @@ Open your **project folder** in Cursor, open the integrated terminal, and run:
 
 **Windows (PowerShell):**
 ```powershell
-irm https://raw.githubusercontent.com/MertCapkin/GraphStack/main/scripts/bootstrap.ps1 | iex
+irm https://raw.githubusercontent.com/MertCapkin/GraphStack/master/scripts/bootstrap.ps1 | iex
 ```
 
 **macOS / Linux:**
 ```bash
-curl -fsSL https://raw.githubusercontent.com/MertCapkin/GraphStack/main/scripts/bootstrap.sh | bash
+curl -fsSL https://raw.githubusercontent.com/MertCapkin/GraphStack/master/scripts/bootstrap.sh | bash
 ```
 
 **After [PyPI publish](docs/PYPI.md):**

docs/PYPI.md

@@ -37,5 +37,5 @@ graphstack init . -y --install-deps
 Or one-liner bootstrap (Cursor terminal):
 
 ```powershell
-irm https://raw.githubusercontent.com/MertCapkin/GraphStack/main/scripts/bootstrap.ps1 | iex
+irm https://raw.githubusercontent.com/MertCapkin/GraphStack/master/scripts/bootstrap.ps1 | iex
 ```

scripts/bootstrap.ps1

@@ -2,7 +2,7 @@
 # Installs graphstack + graphify, then initializes the current project.
 #
 # Usage (in your project folder, Cursor terminal):
-#   irm https://raw.githubusercontent.com/MertCapkin/GraphStack/main/scripts/bootstrap.ps1 | iex
+#   irm https://raw.githubusercontent.com/MertCapkin/GraphStack/master/scripts/bootstrap.ps1 | iex
 #
 # Or after PyPI publish:
 #   irm ... | iex

scripts/bootstrap.sh

@@ -2,7 +2,7 @@
 # GraphStack one-line bootstrap for Cursor terminal (macOS / Linux)
 #
 # Usage (in your project folder):
-#   curl -fsSL https://raw.githubusercontent.com/MertCapkin/GraphStack/main/scripts/bootstrap.sh | bash
+#   curl -fsSL https://raw.githubusercontent.com/MertCapkin/GraphStack/master/scripts/bootstrap.sh | bash
 #
 # Or:  bash scripts/bootstrap.sh