Add URL Pattern standard

This includes support for overriding the .editorconfig max_line_length in the spec's Bikeshed file.

.editorconfig.template

@@ -13,7 +13,7 @@ max_line_length = 100
 indent_style = tab
 
 [*.bs]
-indent_size = @@bikeshed_indent_size@@
+indent_size = @@bikeshed_indent_size@@@@bikeshed_max_line_length@@
 
 [*.py]
 indent_size = 4

factory.json

@@ -53,6 +53,14 @@
     "extra_implementers": ["Deno", "Node.js"],
     "readme": "README.md.anne.template-part"
   },
+  "urlpattern": {
+    "extra_implementers": [
+      "Deno",
+      "kenchris/urlpattern-polyfill"
+    ],
+    "bikeshed_indent_size": 2,
+    "bikeshed_max_line_length": "off"
+  },
   "webidl": {
     ".gitignore": ["/node_modules/"],
     "bikeshed_indent_size": 4,

factory.py

@@ -60,6 +60,8 @@ def fill_template(contents, variables):
             data = "\n\tEXTRA_FILES=\"{}\" \\".format(data)
         elif variable == "bikeshed_indent_size":
             data = str(data)
+        elif variable == "bikeshed_max_line_length" and data != "":
+            data = "\nmax_line_length = {}".format(data)
         elif variable == "build_with_node" and data != "":
             data = """
     - uses: actions/setup-node@v3
@@ -91,6 +93,7 @@ def update_files(shortname, name, in_main=False):
         "h1": name,
         "extra_files": "",
         "bikeshed_indent_size": 1,
+        "bikeshed_max_line_length": "",
         "build_with_node": "",
         "post_build_step": "",
         ".gitignore": [],