filer store: add foundationdb (#7178)

* add foundationdb

* Update foundationdb_store.go

* fix

* apply the patch

* avoid panic on error

* address comments

* remove extra data

* address comments

* adds more debug messages

* fix range listing

* delete with prefix range; list with right start key

* fix docker files

* use the more idiomatic FoundationDB KeySelectors

* address comments

* proper errors

* fix API versions

* more efficient

* recursive deletion

* clean up

* clean up

* pagination, one transaction for deletion

* error checking

* Use fdb.Strinc() to compute the lexicographically next string and create a proper range

* fix docker

* Update README.md

* delete in batches

* delete in batches

* fix build

* add foundationdb build

* Updated FoundationDB Version

* Fixed glibc/musl Incompatibility (Alpine → Debian)

* Update container_foundationdb_version.yml

* build SeaweedFS

* build tag

* address comments

* separate transaction

* address comments

* fix build

* empty vs no data

* fixes

* add go test

* Install FoundationDB client libraries

* nil compare

test/foundationdb/s3.json

@@ -0,0 +1,31 @@
+{
+  "identities": [
+    {
+      "name": "anvil",
+      "credentials": [
+        {
+          "accessKey": "admin",
+          "secretKey": "admin_secret_key"
+        }
+      ],
+      "actions": [
+        "Admin",
+        "Read", 
+        "Write"
+      ]
+    },
+    {
+      "name": "test_user",
+      "credentials": [
+        {
+          "accessKey": "test_access_key",
+          "secretKey": "test_secret_key"
+        }
+      ],
+      "actions": [
+        "Read",
+        "Write"
+      ]
+    }
+  ]
+}