Add funding templates

and modernize other ones.

Author: pllim

.github/ISSUE_TEMPLATE/GITHUB_ADMIN.md

@@ -0,0 +1,21 @@
+name: Add maintainer checklist
+description: Reminder to check list of steps when modifying team
+title: ""
+labels: ""
+body:
+  - type: markdown
+    attributes:
+      value: >-
+        If you are adding or removing someone from a team, please check that the list of items on the
+        [Adding New Role Members page](https://github.com/astropy/astropy-project/blob/main/policies/adding-new-role-members.md)
+        has been completed. In particular, the following.
+  - type: checkboxes
+    id: add-maintainer-checklist
+    attributes:
+      label: Reminder to check list of steps when modifying team
+      description:
+      options:
+        - label: PR to the [Team page](https://github.com/astropy/astropy.github.com/blob/main/roles.json)
+        - label: privileges and/or permissions updated
+        - label: (if adding a new member) email to the community
+        - label: update membership of the astropy-core-maintainers mailing list

.github/ISSUE_TEMPLATE/add-maintainer-checklist.md

@@ -1 +1,5 @@
 blank_issues_enabled: true
+contact_links:
+  - name: Question/Help/Support
+    url: https://www.astropy.org/help.html
+    about: "Other ways to contact Astropy Project"

.github/ISSUE_TEMPLATE/add-maintainer-checklist.yaml

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+name: Astropy Github Organisation Administration
+description: Request that an Astropy GitHub org admin performs some action.
+title: ""
+labels: "github-admin"
+body:
+  - type: textarea
+    attributes:
+      label: Description
+      description: >-
+        A clear and concise description of what you are requesting from Astropy GitHub org admin.

.github/ISSUE_TEMPLATE/config.yml

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+name: Request funding (contract)
+description: Submit a public request for contract funding from Astropy
+title: "Request for Contract"
+labels: "finance :moneybag:,funding :pray:"
+body:
+  - type: markdown
+    attributes:
+      value: >-
+        Thanks for taking the time to fill out this contract request!
+        Please read [Guidelines for Requesting Funding](https://github.com/astropy/astropy-project/blob/main/finance/process/request-funding.md)
+        carefully before submitting this request.
+        This is a public repository, please scrub out sensitive information.
+  - type: textarea
+    attributes:
+      label: Full name
+      description: Name of contractor
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Email
+      description: Contact email of contractor
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: SOW
+      description: Statement of Work (SOW)
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Hourly rate
+      description: Proposed hourly rate and currency
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Total work hours
+      description: Total number of hours needed to complete SOW
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/github-admin.yaml

@@ -0,0 +1,30 @@
+name: Request funding (other)
+description: Submit a public request for other funding from Astropy
+title: "Other Request for Funding"
+labels: "finance :moneybag:,funding :pray:"
+body:
+  - type: markdown
+    attributes:
+      value: >-
+        Thanks for taking the time to fill out this other funding request!
+        Please read [Guidelines for Requesting Funding](https://github.com/astropy/astropy-project/blob/main/finance/process/request-funding.md)
+        carefully before submitting this request.
+        This is a public repository, please scrub out sensitive information.
+  - type: textarea
+    attributes:
+      label: Full name
+      description: Name of person requesting funding
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Purpose
+      description: Explanation of the funding being requested
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Budget
+      description: Amount requested and currency
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/request-funding-contract.yaml

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+name: Request funding (travel)
+description: Submit a public request for travel funding from Astropy
+title: "Request for Travel Funding"
+labels: "finance :moneybag:,funding :pray:,travel ✈️"
+body:
+  - type: markdown
+    attributes:
+      value: >-
+        Thanks for taking the time to fill out this travel request!
+        Please read [Guidelines for Requesting Funding](https://github.com/astropy/astropy-project/blob/main/finance/process/request-funding.md)
+        carefully before submitting this request.
+        This is a public repository, please scrub out sensitive information.
+  - type: textarea
+    attributes:
+      label: Full name
+      description: Who is traveling
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Description
+      description: Purpose of the travel and how it benefits Astropy.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Total request
+      description: Total amount requested and currency.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Itemized budget
+      description: Total amount broken down into items.
+      placeholder: |
+        Lodging: $1000 ($200/night for 5 nights)
+        Flights: ...
+        Per diem: ...
+        etc.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Advance needed
+      description: Whether you need any advance and if so, how much