Support working with local charts (#215)

* Basic functioning

* Support reconfiguring

* Improve tests coverage

* Always update local repo, don't offer to delete it

* Handle multi-repo correctly

* Document local charts usage

* Screenshot for docs

.github/pull_request_template.md

@@ -1,14 +1,10 @@
-<!-- If your PR fixes an open issue, use `Closes #999` to link your PR with the issue. #999 stands for the issue number you are fixing -->
+## Changes Proposed
 
-## Fixes Issue
+<!-- Describe the proposed changes and any additional information -->
 
-<!-- Remove this section if not applicable -->
+<!-- Add all the screenshots which illustrate your changes -->
 
-<!-- Example: Closes #31 -->
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-## Changes proposed
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-<!-- List all the proposed changes in your PR -->
+## Check List
 
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@@ -18,18 +14,8 @@
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-## Check List (Check all the applicable boxes) <!-- Follow the above conventions to check the box -->
+- [ ] The title of my pull request is a short description of the changes
+- [ ] This PR relates to some issue: <!-- use "Closes #999" to auto-close related issue -->
+- [ ] I have documented the changes made (if applicable)
+- [ ] I have covered the changes with unit tests
 
-- [ ] My code follows the code style of this project.
-- [ ] My change requires changes to the documentation.
-- [ ] I have updated the documentation accordingly.
-- [ ] All new and existing tests passed.
-- [ ] The title of my pull request is a short description of the requested changes.
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