Release kamusku v0.1.1 (2025-12-27)

**🌼 all: fix logging in client tests**

**💧 all: replace golangci-lint with internal linter**

The internal/cmd/gocheck use the go static analysis [Analyzer] that are
not included in the default go vet.

By using gocheck we found un-alignment and shadowing,

* client.go:18:13: struct with 24 pointer bytes could be 16
* dictionary.go:23:17: struct with 32 pointer bytes could be 16
* client_test.go:18:13: struct with 56 pointer bytes could be 48
* client_test.go:62:13: struct with 56 pointer bytes could be 48
* cmd/kamusku-telegram-bot/main.go:31:3: declaration of "err" shadows
  declaration at line 25
* kamusku_test.go:49:3: declaration of "err" shadows declaration at
  line 38

[Analyzer]: https://pkg.go.dev/golang.org/x/tools/go/analysis#hdr-Analyzer

**💧 README: add section about development and license**

**💧 all: fix test due to missing testdata directory**
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