[chore] Add issue templates (#2206)

* add issue templates

* add pr template

Author: jaronoff97

.github/ISSUE_TEMPLATE/bug_report.yaml

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+name: Bug report
+description: Create a report to help us improve
+labels: ["bug", "needs triage"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report! Please make sure to fill out the entire form below, providing as much context as you can in order to help us triage and track down your bug as quickly as possible.
+
+        Before filing a bug, please be sure you have searched through [existing bugs](https://github.com/open-telemetry/opentelemetry-operator/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc+label%3Abug) to see if an existing issue covers your bug.
+  - type: dropdown
+    id: component
+    attributes:
+      label: Component(s)
+      description: Which component(s) does your bug report concern?
+      multiple: true
+      options:
+      - operator
+      - collector
+      - instrumentation
+      - target allocator
+      - opamp bridge
+  - type: textarea
+    attributes:
+      label: What happened?
+      description: Please provide as much detail as you reasonably can.
+      value: |
+        ## Description
+
+        ## Steps to Reproduce
+
+        ## Expected Result
+
+        ## Actual Result
+
+    validations:
+      required: true
+  - type: input
+    attributes:
+      label: Kubernetes Version
+      description: What version did you use? (e.g., `1.23.0`)
+    validations:
+      required: true
+  - type: input
+    attributes:
+      label: Operator version
+      description: What version did you use? (e.g., `v0.4.0`, `1eb551b`, etc)
+    validations:
+      required: true
+  - type: input
+    attributes:
+      label: Collector version
+      description: What version did you use? (e.g., `v0.4.0`, `1eb551b`, etc)
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Environment information
+      description: Please provide any additional information about your installation.
+      value: |
+        ## Environment
+        OS: (e.g., "Ubuntu 20.04")
+        Compiler(if manually compiled): (e.g., "go 14.2")
+  - type: textarea
+    attributes:
+      label: Log output
+      description: |
+        Please copy and paste any relevant log output.
+      render: shell
+  - type: textarea
+    attributes:
+      label: Additional context
+      description: Any additional information you think may be relevant to this issue.

.github/ISSUE_TEMPLATE/feature_request.yaml

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+name: Feature request
+description: Suggest an idea for this project
+labels: ["enhancement", "needs triage"]
+body:
+  - type: dropdown
+    id: component
+    attributes:
+      label: Component(s)
+      description: Which component(s) does your feature request concern?
+      multiple: true
+      options:
+      - operator
+      - collector
+      - instrumentation
+      - target allocator
+      - opamp bridge
+  - type: textarea
+    attributes:
+      label: Is your feature request related to a problem? Please describe.
+      description: A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Describe the solution you'd like
+      description: A clear and concise description of what you want to happen.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Describe alternatives you've considered
+      description: A clear and concise description of any alternative solutions or features you've considered.
+  - type: textarea
+    attributes:
+      label: Additional context
+      description: Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/other.yaml

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+name: Other issue
+description: Create a new issue to help us improve the operator
+labels: ["needs triage"]
+body:
+  - type: dropdown
+    id: component
+    attributes:
+      label: Component(s)
+      description: Which component(s) does your issue concern?
+      multiple: true
+      options:
+      - operator
+      - collector
+      - instrumentation
+      - target allocator
+      - opamp bridge
+  - type: textarea
+    attributes:
+      label: Describe the issue you're reporting
+      description: A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+    validations:
+      required: true

.github/pull_request_template.md

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+**Description:** <Describe what has changed.>
+<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue.
+Ex. Adding a feature - Explain what this achieves.-->
+
+**Link to tracking Issue:** <Issue number if applicable>
+
+**Testing:** <Describe what testing was performed and which tests were added.>
+
+**Documentation:** <Describe the documentation added.>