chore: simplify crate template name (#38)

.github/workflows/main.yml

···
     strategy:
       matrix:
         include:
-          - crate: my-crate
+          - crate: my_crate
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4

Cargo.lock

···
 version = 4
 
 [[package]]
-name = "my-crate"
+name = "my_crate"
 version = "0.1.0"

README.md

···
 - `{{author}}` - The author's name of the library. For example, this could be a username, nickname, or real name.
 - `{{email}}` - The author's email address. This is optional and can be deleted.
 - `neoncitylights/rust` - Replace this with the name of your repository.
-- `my-crate`, `my_crate` - Replace this with the name of your crate.
+- `my_crate` - Replace this with the name of your crate.
 
 ## Configure
 | Tool                | File path                                  | Reference                                                                                                      |

crates/my-crate/Cargo.toml

···
 [package]
-name = "my-crate"
+name = "my_crate"
 version = "0.1.0"
 description = "{{desc}}"
 include = ["src", "LICENSE*"]