Add issue templates and fix readme typos (opensearch-project#3)

* Add issue templates and fix readme typos


* Replace component name with chart name


* Replace OS/Version to the Helm/Kube versions


* Replace OS/Version to the Helm/Kube versions

.github/ISSUE_TEMPLATE/bug_template.md

@@ -0,0 +1,34 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: "[BUG][Chart Name]"
+labels: 'bug, untriaged'
+assignees: ''
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Chart Name**
+Specify the Chart which is affected?
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Host/Environment (please complete the following information):**
+ - Helm Version: [e.g. 3.x.x]
+ - Kubernetes Version: [e.g. 1.16.x]
+
+**Additional context**
+Add any other context about the problem here.
+

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: '[Enhancement][Chart Name]'
+labels: 'enhancement, untriaged'
+assignees: ''
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.
+

README.md

@@ -1,14 +1,14 @@
 <img src="https://opensearch.org/assets/brand/SVG/Logo/opensearch_logo_default.svg" height="64px"/>
 
-- [Charts](#charts)
+- [OpenSearch Project Helm-Charts](#helm-charts)
 - [Contributing](#contributing)
 - [Getting Help](#getting-help)
 - [Code of Conduct](#code-of-conduct)
 - [Security](#security)
 - [License](#license)
 - [Copyright](#copyright)
 
-## OpenSearch Project Charts
+## OpenSearch Project Helm-Charts
 
 A community repository for Helm Charts of OpenSearch Project.