Add template for parameter requests

.github/ISSUE_TEMPLATE/param_request.yml

@@ -0,0 +1,64 @@
+name: New Parameter
+description: Request that a new parameter be added
+labels: ["new parameter"]
+body:
+  - type: input
+    id: whp_name
+    attributes:
+      label: WHP Name
+      description: The name that would appear in an exchange data file, this is case sensitive.
+      placeholder: e.g. CTDSAL
+    validations:
+      required: true
+  - type: input
+    id: whp_units
+    attributes:
+      label: WHP Units
+      description: The units, if any, that would appear in an exchange data file, this is case sensitive
+      placeholder: e.g. PSS-78
+    validations:
+      required: false
+  - type: textarea
+    id: description
+    attributes:
+      label: Parameter Description
+      description: "What is this parameter? If it has a methods paper, link to it here. If this parameter is optical in nature, what are the relevant: wavelengths (ex, em), path lengths, scattering angles."
+    validations:
+      required: true
+  - type: textarea
+    id: data-files
+    attributes:
+      label: Data Files
+      description: Please provide links to the data which have this new parameter in it.
+    validations:
+      required: false
+  - type: markdown
+    attributes:
+      value: |
+        ## Extra information that will be useful
+  - type: input
+    id: cf_name
+    attributes:
+     label: CF Standard Name
+     description: Does this parameter have an equivalent CF standard name already? If yes what is it?
+     placeholder: e.g. moles_of_oxygen_per_unit_mass_in_sea_water
+    validations:
+     required: false
+  - type: input
+    id: si_units
+    attributes:
+     label: SI Units
+     description: If the WHP Units aren't actual SI units, what are they? For dimensionless parameters like practical salinity a "None" or 1 can be entered.
+     placeholder: e.g. 1
+    validations:
+     required: false
+  - type: input
+    id: p01_name
+    attributes:
+      label: VNS P01 Name
+      description: |
+       Does this parameter exist in [NVS P01](http://vocab.nerc.ac.uk/collection/P01/current/)?
+       Try to be as specific as possible, in many files, these codes will look like "SDN:P01::DOXYSCKG"
+      placeholder: e.g. DOXYSCKG 
+    validations:
+      required: false