Use kind/documentation instead of area/documentation to sort out documentation related issues in a better way

.github/ISSUE_TEMPLATE/Documentation.md

@@ -3,11 +3,7 @@ name: Documentation
 about: Report mistakes or request for documentation
 ---
 
-/area documentation
-
-Add one of the following kinds:
-/kind bug
-/kind feature
+/kind documentation
 
 <!--
 

.github/PULL_REQUEST_TEMPLATE.md

@@ -18,11 +18,9 @@ Add one of the following kinds:
 /kind bug
 /kind feature
 /kind tests
+/kind documentation
 /kind code-refactoring
 
-For documentation, add the following label:
-/area documentation
-
 Feel free to use other [labels](https://github.com/redhat-developer/odo/labels) as needed. However one of the above labels must be present or the PR will not be reviewed. This instruction is for reviewers as well.
 -->
 

scripts/changelog-script.sh

@@ -62,7 +62,7 @@ $RUN_GITHUB_CHANGELOG_GENERATOR \
 --enhancement-labels "kind/feature" \
 --bugs-label "**Bugs:**" \
 --bug-labels "kind/bug" \
---add-sections '{"documentation":{"prefix":"**Documentation:**","labels":["area/documentation"]}, "tests": {"prefix": "**Testing/CI:**", "labels": ["kind/tests"]}, "cleanup": {"prefix": "**Cleanup/Refactor:**", "labels": ["kind/code-refactoring"]}}'
+--add-sections '{"documentation":{"prefix":"**Documentation:**","labels":["kind/documentation"]}, "tests": {"prefix": "**Testing/CI:**", "labels": ["kind/tests"]}, "cleanup": {"prefix": "**Cleanup/Refactor:**", "labels": ["kind/code-refactoring"]}}'
 
 echo "---------------------------------------"
 cat release-changelog.md