Update descriptions

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,6 +1,6 @@
 ---
 name: Bug report
-about: Create a report to help us improve the PureScript compiler
+about: Create a report to help us improve the Purus compiler
 title: ''
 labels: 'type: bug'
 assignees: ''
@@ -23,6 +23,6 @@ A clear and concise description of what you expected to happen.
 
 Add any other context about the problem here.
 
-## PureScript version
+## Purus version
 
 0.x.x

.github/ISSUE_TEMPLATE/compiler-proposal.md

@@ -1,6 +1,6 @@
 ---
 name: Compiler proposal
-about: A concrete suggestion to change the PureScript compiler
+about: A concrete suggestion to change the Purus compiler
 labels: 'type: enhancement'
 assignees: ''
 

.github/ISSUE_TEMPLATE/task.md

@@ -0,0 +1,23 @@
+---
+name: Project Task
+about: A task to modify the Purus compiler
+labels: 'type: enhancement'
+assignees: ''
+
+---
+
+## Context
+
+One or two sentence summary of the proposal.
+
+## Motivation
+
+Background information about why this proposal is necessary.
+
+## The Ask
+
+Detailed description of the proposal.
+
+## Acceptance Criteria
+
+How can we decide if the task is complete?

.github/PULL_REQUEST_TEMPLATE.md

@@ -10,4 +10,4 @@ Clearly and concisely describe the purpose of the pull request. If this PR relat
 - [ ] Added myself to CONTRIBUTORS.md (if this is my first contribution)
 - [ ] Linked any existing issues or proposals that this pull request should close
 - [ ] Updated or added relevant documentation
-- [ ] Added a test for the contribution (if applicable)
+- [ ] Added a test for the contribution or a justification for the absence of tests