Add named arguments, Remove -o flag

Author: x0rw

builder/build_cli.py

@@ -115,7 +115,6 @@ def main(root):
         "-c", "--clear", help="disable incremental builds", action="store_true"
     )
     parser.add_argument(
-        "-o",
         "--offline",
         help="build in offline mode",
         action="store_true",

exts/coding_guidelines/__init__.py

@@ -35,7 +35,11 @@ def merge_domaindata(self, docnames, other):
 def setup(app):
 
     app.add_domain(CodingGuidelinesDomain)
-    app.add_config_value("offline", False, "env") # register the offline option
+    app.add_config_value(
+        name = "offline", 
+        default=False, 
+        rebuild= "env"
+    ) # register the offline option
     app.add_config_value(
         name="spec_std_docs_url",
         default="https://doc.rust-lang.org/stable/std",