feat: provide common encrypt, decrypt, config services along with config #364

Job	Run time
runner / dotenv-linter	10s
runner / formatting	31s
runner / golangci-lint	32s
runner / build and tests (1.20.x, windows-2019)	1m 0s
runner / yamllint	18s
runner / build and tests (1.20.x, windows-2022)	1m 0s
runner / build and tests (1.20.x, ubuntu-22.04)	1m 1s
runner / build and tests (1.20.x, ubuntu-20.04)	59s
runner / build and tests (1.21.x, windows-2019)	48s
runner / build and tests (1.21.x, windows-2022)	54s
runner / build and tests (1.21.x, ubuntu-22.04)	53s
runner / build and tests (1.21.x, ubuntu-20.04)	1m 0s
runner / build and tests (1.22.x, windows-2019)	59s
runner / build and tests (1.22.x, windows-2022)	54s
runner / build and tests (1.22.x, ubuntu-22.04)	59s
runner / build and tests (1.22.x, ubuntu-20.04)	48s
	12m 46s

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