refact: adjust project structure for merge PD & Store[Breaking Change] (#2338)

## Purpose of the PR

Subtask of #2265.

Adjust the project structure of this repository to include three sub-modules: hugegraph-server, hugegraph-pd, hugegraph-store at the root level.

## Main Changes

Roll back to the moment when https://github.com/apache/incubator-hugegraph/pull/2266 was merged on `pd-store` and incorporate the latest changes in `master`.

For more detailed information, please refer to https://github.com/apache/incubator-hugegraph/pull/2266#issue-1834369489.


---------

Co-authored-by: M <87920097+msgui@users.noreply.github.com>

.github/outdated/.travis.yml

@@ -115,7 +115,7 @@ env:
   global:
     - RELEASE_BRANCH=^release-.*$
     - RELEASE_TAG=^v[0-9]\..*$
-    - TRAVIS_DIR=hugegraph-dist/src/assembly/travis
+    - TRAVIS_DIR=hugegraph-server/hugegraph-dist/src/assembly/travis
     - DEPLOYED=0
     - secure: 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
     - secure: 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

.github/workflows/check-dependencies.yml

@@ -13,7 +13,7 @@ jobs:
   dependency-check:
     runs-on: ubuntu-latest
     env:
-      SCRIPT_DEPENDENCY: hugegraph-dist/scripts/dependency
+      SCRIPT_DEPENDENCY: hugegraph-server/hugegraph-dist/scripts/dependency
     steps:
       - name: Checkout source
         uses: actions/checkout@v3

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-20.04
     env:
-      TRAVIS_DIR: hugegraph-dist/src/assembly/travis
+      TRAVIS_DIR: hugegraph-server/hugegraph-dist/src/assembly/travis
       REPORT_DIR: target/site/jacoco
       BACKEND: ${{ matrix.BACKEND }}
       TRIGGER_BRANCH_NAME: ${{ github.ref_name }}

.licenserc.yaml

@@ -68,7 +68,7 @@ header: # `header` section is configurations for source codes license header.
     - '**/*.properties'
     - '**/RaftRequests.java'
     - 'dist/**/*'
-    - 'hugegraph-dist'
+    - 'hugegraph-server/hugegraph-dist'
     - '**/assembly/static/bin/hugegraph.service'
     - 'scripts/dev/reviewers'
     - 'scripts/dev/reviewers'
@@ -89,14 +89,14 @@ header: # `header` section is configurations for source codes license header.
     - '**/META-INF/MANIFEST.MF'
     - '.repository/**'
     - '**/.flattened-pom.xml'
-    - 'hugegraph-core/src/main/java/org/apache/hugegraph/backend/id/SnowflakeIdGenerator.java'
+    - 'hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/backend/id/SnowflakeIdGenerator.java'
     - '**/optimize/HugeScriptTraversal.java'
     - '**/type/Nameable.java'
     - '**/define/Cardinality.java'
     - '**/util/StringEncoding.java'
-    - 'hugegraph-api/src/main/java/org/apache/hugegraph/opencypher/CypherOpProcessor.java'
-    - 'hugegraph-api/src/main/java/org/apache/hugegraph/opencypher/CypherPlugin.java'
-    - 'hugegraph-dist/src/assembly/static/bin/wait-storage.sh'
+    - 'hugegraph-server/hugegraph-api/src/main/java/org/apache/hugegraph/opencypher/CypherOpProcessor.java'
+    - 'hugegraph-server/hugegraph-api/src/main/java/org/apache/hugegraph/opencypher/CypherPlugin.java'
+    - 'hugegraph-server/hugegraph-dist/src/assembly/static/bin/wait-storage.sh'
   comment: on-failure # on what condition license-eye will comment on the pull request, `on-failure`, `always`, `never`.
 
   # license-location-threshold specifies the index threshold where the license header can be located,

hugegraph-server/hugegraph-api/pom.xml

@@ -20,7 +20,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <groupId>org.apache.hugegraph</groupId>
-        <artifactId>hugegraph</artifactId>
+        <artifactId>hugegraph-server</artifactId>
         <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>