Release rescached v4.4.4 (2025-12-27)

This release mostly chores.

**💧 all: replace golangci-lint with "go vet"**

**💧 all: replace debug package with internal Debug variabel**

The [debug.Value] will be removed in the next release of pakakeh.go.

**💧 internal/cmd/gocheck: add internal static analyzers**

Instead of using binary fieldalignment and shadow, run them by creating
command that call the same Analyzer internally.

This analyzers help finding possible panic on httpd.go.

**💧 make: remove build task from install tasks**

The build task should be run by user, while install tasks run by root.
If we make build depends on install then the binaries will rebuild by
user root.

**💧 Makefile: do not run "embed" when building rescached**

The embed command should be run once when the assets file in _www
changes.

**💧 all: cleaning README and expand the index in documentation**

In the README, we remove the EXIT STATUS and AUTHOR sections.
Those sections are not informative.

In the index, we expand the preamble to include short information about
what is rescached.

**💧 make: fix building resolver**

Seems like the "go tool doc" subcommand has been removed on latest
release of Go.
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