Add .github templates

Signed-off-by: ichekrygin <illya.chekrygin@gmail.com>

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,36 @@
+<!-- **Are you in the right place?**
+1. For issues or feature requests, please create an issue in this repository.
+2. For general technical and non-technical questions, we are happy to help you on our [Crossplane.io Slack](https://slack.crossplane.io/).
+3. Did you already search the existing open issues for anything similar? -->
+
+**Is this a bug report or feature request?**
+<!-- Remove only one -->
+* Bug Report
+* Feature Request
+
+**Bug Report**
+
+**Expected behavior:**
+
+**Deviation from expected behavior:**
+
+**How to reproduce it (minimal and precise):**
+<!-- Please let us know any circumstances for reproduction of your bug. -->
+
+**Feature Request**
+
+**Are there any similar features already existing:**
+
+**What should the feature do:**
+
+**What would be solved through this feature:**
+
+**Does this have an impact on existing features:**
+
+**Environment**:
+* OS (e.g. from /etc/os-release):
+* Kernel (e.g. `uname -a`):
+* Cloud provider or hardware configuration:
+* Crossplane version (tag, release, helm chart version)
+* Kubernetes version (use `kubectl version`):
+* Kubernetes cluster type (e.g. Tectonic, GKE, OpenShift):

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,26 @@
+---
+name: Bug report
+about: Create a report to help us improve
+---
+<!-- **Are you in the right place?**
+1. For issues or feature requests, please create an issue in this repository.
+2. For general technical and non-technical questions, we are happy to help you on our [Crossplane.io Slack](https://slack.crossplane.io).
+3. Did you already search the existing open issues for anything similar? -->
+
+**Is this a bug report or feature request?**
+* Bug Report
+
+**Deviation from expected behavior:**
+
+**Expected behavior:**
+
+**How to reproduce it (minimal and precise):**
+<!-- Please let us know any circumstances for reproduction of your bug. -->
+
+**Environment**:
+* OS (e.g. from /etc/os-release):
+* Kernel (e.g. `uname -a`):
+* Cloud provider or hardware configuration:
+* Crossplane version (tag, release, helm chart version)
+* Kubernetes version (use `kubectl version`):
+* Kubernetes cluster type (e.g. Tectonic, GKE, OpenShift):

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,18 @@
+---
+name: Feature request
+about: Suggest an idea/feature for this project
+---
+<!-- **Are you in the right place?**
+1. For issues or feature requests, please create an issue in this repository.
+2. For general technical and non-technical questions, we are happy to help you on our [Crossplane.io Slack](https://slack.crossplane.io).
+3. Did you already search the existing open issues for anything similar? -->
+
+**Is this a bug report or feature request?**
+* Feature Request
+
+**What should the feature do:**
+
+**What is use case behind this feature:**
+
+**Environment**:
+<!-- Specific environment information that helps with the feature request -->

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,18 @@
+<!-- Please take a look at our [Contributing](../blob/master/CONTRIBUTING.md)
+documentation before submitting a Pull Request!
+Thank you for contributing to Crossplane! -->
+
+**Description of your changes:**
+
+**Which issue is resolved by this Pull Request:**
+Resolves #
+
+**Checklist:**
+- [ ] Documentation has been updated, if necessary.
+- [ ] Pending release notes updated with breaking and/or notable changes, if necessary.
+- [ ] Upgrade from previous release is tested and upgrade user guide is updated, if necessary.
+- [ ] Code generation (`make generate`) has been run to update object specifications, if necessary.
+- [ ] CRD manifests generation (`make manifests`) has been run to update CRD manifests yaml file specifications, if necessary.
+- [ ] Update dependencies (`make vendor`) has been run to update `Gopkg.lock` file, if necessary
+- [ ] All related commits have been squashed to improve readability.
+- [ ] Comments have been added or updated based on the standards set in [CONTRIBUTING.md](../blob/master/CONTRIBUTING.md#comments)

.github/stale.yml

@@ -0,0 +1,38 @@
+# Configuration for probot-stale - https://github.com/probot/stale
+
+# Number of days of inactivity before an Issue or Pull Request becomes stale
+daysUntilStale: 90
+
+# Number of days of inactivity before a stale Issue or Pull Request is closed.
+# Set to false to disable. If disabled, issues still need to be closed manually, but will remain marked as stale.
+daysUntilClose: 7
+
+# Issues or Pull Requests with these labels will never be considered stale. Set to `[]` to disable
+exemptLabels:
+  - security
+
+# Set to true to ignore issues in a project (defaults to false)
+exemptProjects: false
+
+# Set to true to ignore issues in a milestone (defaults to false)
+exemptMilestones: false
+
+# Label to use when marking as stale
+staleLabel: wontfix
+
+# Comment to post when marking as stale. Set to `false` to disable
+markComment: >
+  This issue has been automatically marked as stale because it has not had
+  recent activity. It will be closed if no further activity occurs. Thank you
+  for your contributions.
+
+# Comment to post when closing a stale Issue or Pull Request.
+closeComment: >
+  This issue has been automatically closed due to inactivity. Please re-open
+  if this still requires investigation.
+
+# Limit the number of actions per hour, from 1-30. Default is 30
+limitPerRun: 30
+
+# Limit to only `issues` or `pulls`
+only: issues