feat: configure collie repo with LF line endings

collie cli's code generation emits LF endings and a lot of the
parsing code e.g. for yaml frontmatter expects this as well

also, we're switching collie hub to LF endings as well
meshcloud/collie-hub#63

src/commands/init.command.ts

@@ -39,6 +39,7 @@ export function registerInitCommand(program: TopLevelCommand) {
           entries: [
             { name: "README.md", content: readmeMd },
             { name: ".gitignore", content: gitignore },
+            { name: ".gitattributes", content: gitattributes },
             {
               name: "kit",
               entries: [
@@ -140,6 +141,14 @@ const gitignore = `# terraform/terragrunt caches
 **.meta.json
 `;
 
+const gitattributes = `# Force LF file endings for all text files
+* text eol=lf
+
+# Denote all files that are truly binary and should not be modified.
+*.png binary
+*.jpg binary
+`;
+
 const kitReadmeMd = `# Your Collie Kit
 
 Build your own set of Collie [kit modules](https://landingzone.meshcloud.io/reference/kit-module.html) in this folder.