feat: rewrote glob to have a full doublestar impl

This implements a full double star glob implementation with it's own filesystem implementation.

.forgejo/workflows/default.yml

@@ -0,0 +1,17 @@
+name: default
+
+on:
+  push:
+   branches: [main]
+
+jobs:
+  default:
+    name: ensure tests work
+    runs-on: debian-latest
+    container: docker.io/golang:1.24-alpine
+    steps:
+      - name: checkout
+        uses: https://code.geekeey.de/actions/checkout@1
+      - name: go run
+        run: |
+          go test