chore(infra): add dependabot, stale bot, editorconfig, funding, and fix workflow permissions

Author: striderZA

.editorconfig

@@ -0,0 +1,12 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: # Replace with GitHub Sponsors username when enabled
+custom: ["https://paypal.me/striderZA"]

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,8 @@
+blank_issues_enabled: false
+contact_links:
+  - name: OpenCode Game Studios Discussion
+    url: https://github.com/striderZA/OpenCodeGameStudios/discussions
+    about: Please ask questions and discuss ideas in GitHub Discussions.
+  - name: Contributing Guide
+    url: https://github.com/striderZA/OpenCodeGameStudios/blob/master/CONTRIBUTING.md
+    about: Review the contributing guide before submitting.

.github/dependabot.yml

@@ -0,0 +1,9 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+    commit-message:
+      prefix: chore
+      include: scope

.github/workflows/opencode-review.yml

@@ -1,29 +1,29 @@
-name: opencode-review
-
-on:
-  pull_request:
-    types: [opened, synchronize, reopened, ready_for_review]
-
-jobs:
-  review:
-    runs-on: ubuntu-latest
-    permissions:
-      id-token: write
-      contents: read
-      pull-requests: read
-      issues: read
-    steps:
-      - uses: actions/checkout@v6
-        with:
-          persist-credentials: false
-      - uses: anomalyco/opencode/github@latest
-        env:
-          OPENCODE_API_KEY: ${{ secrets.OPENCODE_API_KEY }}
-        with:
-          model: opencode-go/deepseek-v4-flash
-          use_github_token: true
-          prompt: |
-            Review this pull request:
-            - Check for code quality issues
-            - Look for potential bugs
-            - Suggest improvements
+name: opencode-review
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+
+jobs:
+  review:
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+      contents: read
+      pull-requests: write
+      issues: read
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          persist-credentials: false
+      - uses: anomalyco/opencode/github@latest
+        env:
+          OPENCODE_API_KEY: ${{ secrets.OPENCODE_API_KEY }}
+        with:
+          model: opencode-go/deepseek-v4-flash
+          use_github_token: true
+          prompt: |
+            Review this pull request:
+            - Check for code quality issues
+            - Look for potential bugs
+            - Suggest improvements

.github/workflows/opencode.yml

@@ -17,7 +17,7 @@ jobs:
     permissions:
       id-token: write
       contents: read
-      pull-requests: read
+      pull-requests: write
       issues: read
     steps:
       - name: Checkout repository

.github/workflows/stale.yml

@@ -0,0 +1,27 @@
+name: stale
+
+on:
+  schedule:
+    - cron: "0 6 * * 1"
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - uses: actions/stale@v9
+        with:
+          days-before-stale: 90
+          days-before-close: 30
+          stale-issue-message: >
+            This issue has been automatically marked as stale because it has not had
+            activity in 90 days. It will be closed in 30 days if no further activity occurs.
+          stale-pr-message: >
+            This PR has been automatically marked as stale because it has not had
+            activity in 90 days. It will be closed in 30 days if no further activity occurs.
+          close-issue-message: >
+            This issue was automatically closed due to inactivity.
+          close-pr-message: >
+            This PR was automatically closed due to inactivity.