fix: install snyk globally in dev container (#200)

Author: SKairinos

.submodules/setup/__main__.py

@@ -32,6 +32,14 @@ class Submodule:
     url: str
 
 
+def install_required_packages():
+    """Installs packages required in our dev container."""
+    subprocess.run(
+        ["npm", "install", "snyk", "-g"],
+        check=True,
+    )
+
+
 def print_intro():
     """Prints the Code For Life logo with ascii art."""
     # short hand
@@ -386,6 +394,8 @@ def main() -> None:
     """Entry point."""
     colorama_init()
 
+    install_required_packages()
+
     print_intro()
 
     submodules = read_submodules()