Proposal goals boilerplate (#791)

Co-authored-by: Chandler Carruth <chandlerc@gmail.com>

proposals/p0722.md

@@ -51,8 +51,8 @@ described in [this PR](https://github.com/carbon-language/carbon-lang/pull/701).
 
 ## Rationale based on Carbon's goals
 
-This particular proposal is focusing on [the Carbon
-goal](/docs/project/goals.md#code-that-is-easy-to-read-understand-and -write)
+This particular proposal is focusing on
+[the Carbon goal](/docs/project/goals.md#code-that-is-easy-to-read-understand-and-write)
 that code is "easy to read, understand, and write." Future proposals will
 address other aspects of the class type design such as performance.
 

proposals/template.md

@@ -62,7 +62,17 @@ TODO: Fully explain the details of the proposed solution.
 TODO: How does this proposal effectively advance Carbon's goals? Rather than
 re-stating the full motivation, this should connect that motivation back to
 Carbon's stated goals for the project or language. This may evolve during
-review.
+review. Use links to appropriate goals, for example:
+
+-   [Community and culture](/docs/project/goals.md#community-and-culture)
+-   [Language tools and ecosystem](/docs/project/goals.md#language-tools-and-ecosystem)
+-   [Performance-critical software](/docs/project/goals.md#performance-critical-software)
+-   [Software and language evolution](/docs/project/goals.md#software-and-language-evolution)
+-   [Code that is easy to read, understand, and write](/docs/project/goals.md#code-that-is-easy-to-read-understand-and-write)
+-   [Practical safety and testing mechanisms](/docs/project/goals.md#practical-safety-and-testing-mechanisms)
+-   [Fast and scalable development](/docs/project/goals.md#fast-and-scalable-development)
+-   [Modern OS platforms, hardware architectures, and environments](/docs/project/goals.md#modern-os-platforms-hardware-architectures-and-environments)
+-   [Interoperability with and migration from existing C++ code](/docs/project/goals.md#interoperability-with-and-migration-from-existing-c-code)
 
 ## Alternatives considered