Add wiki update action

.github/workflows/wiki_update.yml

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+name: update-wiki
+
+on:
+  push:
+    branches:
+      - '1.**'
+
+jobs:
+  wikigen:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - run: python3 scripts/gen-markdown-patchlist.py
+      - name: Upload generated file to wiki
+        uses: SwiftDocOrg/github-wiki-publish-action@v1
+        with:
+          path: "doc/generated"
+        env:
+          GH_PERSONAL_ACCESS_TOKEN: ${{ secrets.WIKI_TOKEN }}

doc/generated/.gitignore

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+*.md

scripts/gen-markdown-patchlist.py

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+#!/usr/bin/python3
+
+import json
+import subprocess
+from contextlib import redirect_stdout
+
+branch_name = subprocess.check_output(['git', 'branch', '--show-current']).decode("utf-8").strip()
+
+with open('doc/generated/' + branch_name + '-Summary-of-Patches.md', 'w') as output_file:
+    with redirect_stdout(output_file):
+        with open('common/src/main/resources/assets/modernfix/lang/en_us.json') as lang_json:
+            lang_obj = json.loads(lang_json.read())
+            option_names = []
+            for key, value in lang_obj.items():
+                if key.startswith("modernfix.option.mixin."):
+                    option_names.append(key.replace("modernfix.option.", ""))
+            option_names.sort()
+            print("# Summary of Patches - " + branch_name)
+            print()
+            for option in option_names:
+                option_description = lang_obj.get("modernfix.option." + option)
+                option_friendly_name = lang_obj.get("modernfix.option.name." + option)
+                print(f"# `{option}`")
+                print()
+                if option_description is not None:
+                    print(option_description)
+                    print("")