Create TEMPLATE.md (#36)

* Create TEMPLATE.md

We should use a different template for the JEP file vs the PR as they should contain different (but slightly overlapping) information.
For example, I wouldn't include the implementation survey in the file, it is really only needed when considering merging a JEP.

* Update pull_request_template.md

* Update TEMPLATE.md

Author: innovate-invent

.github/PULL_REQUEST_TEMPLATE/pull_request_template.md

@@ -1,3 +1,14 @@
+<!--
+Thank you for your interest in contributing to the JMESPath Specification.
+
+Before creating a pull request, please ensure that the feature or change has been fully discussed in a discussion and the discussion has been assigned a JEP tag.
+
+This PR should include a JEP specification file based off TEMPLATE.md, named with the pattern "jep-###-title.md".
+Additionally, the PR should include any intended modifications to the GRAMMAR file.
+
+Please complete the required sections below:
+-->
+
 # \<TITLE>
 
 |||
@@ -6,30 +17,13 @@
 | **Author** | \<author>
 | **Created**| \<date>
 | **[SemVer](https://semver.org/spec/v2.0.0.html#summary)** | MAJOR\|MINOR\|PATCH
+| **[Discussion #](https://github.com/jmespath-community/jmespath.jep/discussions)** | [##](https://github.com/jmespath-community/jmespath.jep/discussions/##)
 
-## Abstract
-
-## Motivation
+*Please discuss the merit of the JEP in the linked discussion. PR discussion should be limited to proofing the content of the PR and the PR proposal inital comment*
 
-For example, suppose we had this data:
-
-```
-{"first_choice": "WA",
- "states": [
-   {"name": "WA", "cities": ["Seattle", "Bellevue", "Olympia"]},
-   {"name": "CA", "cities": ["Los Angeles", "San Francisco"]},
-   {"name": "NY", "cities": ["New York City", "Albany"]},
- ]
-}
-```
-## Specification
-
-Describe the grammar changes or new functions.
-
-## Rationale
+## Abstract
 
-Why problems is this JEP addressing?
-Has alternatives been considered?
+\<copy from JEP>
 
 ## Implementation Survey
 

TEMPLATE.md

@@ -0,0 +1,37 @@
+# \<TITLE>
+
+|||
+|---|---
+| **JEP**    | 
+| **Author** | \<author>
+| **Created**| \<date>
+| **[SemVer](https://semver.org/spec/v2.0.0.html#summary)** | MAJOR\|MINOR\|PATCH
+
+## Abstract
+
+## Motivation
+
+For example, suppose we had this data:
+
+```
+{"first_choice": "WA",
+ "states": [
+   {"name": "WA", "cities": ["Seattle", "Bellevue", "Olympia"]},
+   {"name": "CA", "cities": ["Los Angeles", "San Francisco"]},
+   {"name": "NY", "cities": ["New York City", "Albany"]},
+ ]
+}
+```
+
+## Specification
+
+Describe the grammar changes or new functions.
+
+## Rationale
+
+What problems is this JEP addressing?
+Has alternatives been considered?
+
+## Implementation Notes
+
+Are there any details that implementers should try to follow?