fix: helix init default schema and queries (#427)

## Description

- Remove Label field names since label is in RESERVED_FIELD_NAMES 
- Change the Integer type to the appropriate int type definition
- Change user_id to ID

## Related Issues
### None

Closes #

## Checklist when merging to main

- [x] No compiler warnings (if applicable)
- [x] Code is formatted with `rustfmt`
- [x] No useless or dead code (if applicable)
- [x] Code is easy to understand
- [x] Doc comments are used for all functions, enums, structs, and
fields (where appropriate)
- [x] All tests pass
- [x] Performance has not regressed (assuming change was not to fix a
bug)
- [ ] Version number has been updated in `helix-cli/Cargo.toml` and
`helixdb/Cargo.toml`

## Additional Notes
### None

Author: xav-db

helix-cli/src/utils.rs

@@ -65,16 +65,15 @@ pub const DEFAULT_SCHEMA: &str = r#"// Start building your schema here.
 //
 // N::User {
 //     Name: String,
-//     Label: String,
-//     Age: Integer,
+//     Age: I32,
 //     IsAdmin: Boolean,
 // }
 //
 // E::Knows {
 //     From: User,
 //     To: User,
 //     Properties: {
-//         Since: Integer,
+//         Since: Date DEFAULT NOW,
 //     }
 // }
 //
@@ -93,7 +92,7 @@ pub const DEFAULT_QUERIES: &str = r#"// Start writing your queries here.
 //         RETURN {variable}
 //
 // Example:
-//     QUERY GetUserFriends(user_id: String) =>
+//     QUERY GetUserFriends(user_id: ID) =>
 //         friends <- N<User>(user_id)::Out<Knows>
 //         RETURN friends
 //

hql-tests/tests/negating_exists/queries.hx

@@ -8,7 +8,7 @@
 //         RETURN {variable}
 //
 // Example:
-//     QUERY GetUserFriends(user_id: String) =>
+//     QUERY GetUserFriends(user_id: ID) =>
 //         friends <- N<User>(user_id)::Out<Knows>
 //         RETURN friends
 //

hql-tests/tests/negating_exists/schema.hx

@@ -16,16 +16,15 @@
 //
 // N::User {
 //     Name: String,
-//     Label: String,
-//     Age: Integer,
+//     Age: I32,
 //     IsAdmin: Boolean,
 // }
 //
 // E::Knows {
 //     From: User,
 //     To: User,
 //     Properties: {
-//         Since: Integer,
+//         Since: Date DEFAULT NOW,
 //     }
 // }
 //