feat: add cloudflare pages for wiki

tf/cloudflare_pages.tf

@@ -0,0 +1,43 @@
+resource "cloudflare_pages_project" "wiki" {
+  account_id = var.cloudflare_account_id
+  name = "wiki"
+  production_branch = "main"
+
+  source {
+    type = "github"
+    config {
+      owner = "gensokyo-zone"
+      repo_name = "wiki"
+      production_branch = "main"
+      deployments_enabled = true
+      pr_comments_enabled = false
+      production_deployment_enabled = true
+    }
+  }
+  build_config {
+    build_command = "npx quartz build"
+    destination_dir = "public"
+    root_dir = "/"
+  }
+  lifecycle {
+    ignore_changes = [
+      deployment_configs,
+      source
+    ]
+  }
+}
+
+resource "cloudflare_pages_domain" "wiki" {
+  account_id = var.cloudflare_account_id
+  project_name = "wiki"
+  domain = "wiki.gensokyo.zone"
+}
+
+resource "cloudflare_record" "wiki" {
+  zone_id = cloudflare_zone.gensokyo-zone_zone.id
+  name = "wiki"
+  proxied = false
+  ttl = 3600
+  type = "CNAME"
+  value = cloudflare_pages_project.wiki.subdomain
+}