Support running diktat without configuration

[nulls]

What's done:

• moved all from 'diktat-common' to 'diktat-rules' and diktat-api
• support empty configuration in plugins and cli

It closes #1833

[github-actions]

JUnit Tests (Windows, EnricoMi/publish-unit-test-result-action@v2)

   164 files  ±0     164 suites  ±0   6m 49s ⏱️ +5s
1 402 tests ±0  1 385 ✔️ ±0  17 💤 ±0  0 ❌ ±0 
2 781 runs  ±0  2 764 ✔️ ±0  17 💤 ±0  0 ❌ ±0 

Results for commit 6f02065. ± Comparison against base commit 137b4f7.

This pull request removes 2 and adds 2 tests. Note that renamed tests count towards both.

com.saveourtool.diktat.test.ConfigReaderTest ‑ testing json reading()
com.saveourtool.diktat.test.ConfigReaderTest ‑ testing kotlin version()

com.saveourtool.diktat.ruleset.config.DiktatRuleConfigYamlReaderTest ‑ testing json reading()
com.saveourtool.diktat.ruleset.config.DiktatRuleConfigYamlReaderTest ‑ testing kotlin version()

♻️ This comment has been updated with latest results.

[github-actions]

JUnit Tests (macOS, EnricoMi/publish-unit-test-result-action@v2)

   164 files  ±0     164 suites  ±0   5m 17s ⏱️ -58s
1 402 tests ±0  1 366 ✔️ ±0  36 💤 ±0  0 ❌ ±0 
2 781 runs  ±0  2 745 ✔️ ±0  36 💤 ±0  0 ❌ ±0 

Results for commit 6f02065. ± Comparison against base commit 137b4f7.

This pull request removes 2 and adds 2 tests. Note that renamed tests count towards both.

com.saveourtool.diktat.test.ConfigReaderTest ‑ testing json reading()
com.saveourtool.diktat.test.ConfigReaderTest ‑ testing kotlin version()

com.saveourtool.diktat.ruleset.config.DiktatRuleConfigYamlReaderTest ‑ testing json reading()
com.saveourtool.diktat.ruleset.config.DiktatRuleConfigYamlReaderTest ‑ testing kotlin version()

♻️ This comment has been updated with latest results.

[github-advanced-security]

ktlint found more than 10 potential problems in the proposed changes. Check the Files changed tab for more details.

[codecov]

Codecov Report

Attention: 15 lines in your changes are missing coverage. Please review.

Comparison is base (137b4f7) 78.18% compared to head (6f02065) 78.42%.

Files	Patch %	Lines
...rtool/diktat/ruleset/config/CommonConfiguration.kt	76.00%	2 Missing and 4 partials ⚠️
...t/ruleset/config/AbstractDiktatRuleConfigReader.kt	71.42%	3 Missing and 1 partial ⚠️
.../saveourtool/diktat/plugin/maven/DiktatBaseMojo.kt	0.00%	3 Missing ⚠️
...lin/com/saveourtool/diktat/cli/DiktatProperties.kt	0.00%	1 Missing ⚠️
...rtool/diktat/plugin/gradle/tasks/DiktatTaskBase.kt	50.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1837      +/-   ##
============================================
+ Coverage     78.18%   78.42%   +0.24%     
- Complexity     2425     2434       +9     
============================================
  Files           131      133       +2     
  Lines          8631     8617      -14     
  Branches       2174     2171       -3     
============================================
+ Hits           6748     6758      +10     
+ Misses          917      897      -20     
+ Partials        966      962       -4     

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