feat: add config file to webnsupdate

Move flags to config file, and add more options. Mirror some in the
module.

src/snapshots/webnsupdate__records__test__empty_label.snap

@@ -6,11 +6,9 @@ expression: out
 ]8;;https://en.wikipedia.org/wiki/Fully_qualified_domain_name\(link)]8;;\
 
   × empty label
-   ╭─[test_records_invalid:2:6]
- 1 │ example.com.
- 2 │ name..example.org.
+   ╭────
+ 1 │ name..example.org.
    ·      ▲
    ·      ╰── label
- 3 │ example.net.
    ╰────
   help: each label should have at least one character

src/snapshots/webnsupdate__records__test__hostname_too_long.snap

@@ -6,11 +6,9 @@ expression: out
 ]8;;https://en.wikipedia.org/wiki/Fully_qualified_domain_name\(link)]8;;\
 
   × hostname too long (260 octets)
-   ╭─[test_records_invalid:3:1]
- 2 │ example.org.
- 3 │ example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.net.
+   ╭────
+ 1 │ example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.example.net.
    · ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┬─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
    ·                                                                                                                                   ╰── this line
- 4 │ subdomain.example.com.
    ╰────
   help: fully qualified domain names can be at most 255 characters long

src/snapshots/webnsupdate__records__test__invalid_ascii.snap

@@ -6,11 +6,9 @@ expression: out
 ]8;;https://en.wikipedia.org/wiki/Hostname#Syntax\(link)]8;;\
 
   × invalid octet: '\xc3'
-   ╭─[test_records_invalid:2:24]
- 1 │ example.com.
- 2 │ name.this-is-not-ascii-ß.example.org.
+   ╭────
+ 1 │ name.this-is-not-ascii-ß.example.org.
    ·                        ┬
    ·                        ╰── octet
- 3 │ example.net.
    ╰────
   help: we only accept ascii characters

src/snapshots/webnsupdate__records__test__invalid_octet.snap

@@ -6,11 +6,9 @@ expression: out
 ]8;;https://en.wikipedia.org/wiki/Hostname#Syntax\(link)]8;;\
 
   × invalid octet: ':'
-   ╭─[test_records_invalid:2:20]
- 1 │ example.com.
- 2 │ name.this-character:-is-not-allowed.example.org.
+   ╭────
+ 1 │ name.this-character:-is-not-allowed.example.org.
    ·                    ┬
    ·                    ╰── octet
- 3 │ example.net.
    ╰────
   help: hostnames are only allowed to contain characters in [a-zA-Z0-9_-]

src/snapshots/webnsupdate__records__test__label_too_long.snap

@@ -6,11 +6,9 @@ expression: out
 ]8;;https://en.wikipedia.org/wiki/Fully_qualified_domain_name\(link)]8;;\
 
   × label too long (78 octets)
-   ╭─[test_records_invalid:2:6]
- 1 │ example.com.
- 2 │ name.an-entremely-long-label-that-should-not-exist-because-it-goes-against-the-spec.example.org.
+   ╭────
+ 1 │ name.an-entremely-long-label-that-should-not-exist-because-it-goes-against-the-spec.example.org.
    ·      ───────────────────────────────────────┬──────────────────────────────────────
    ·                                             ╰── label
- 3 │ example.net.
    ╰────
   help: labels should be at most 63 octets

src/snapshots/webnsupdate__records__test__not_fqd.snap

@@ -6,11 +6,9 @@ expression: out
 ]8;;https://en.wikipedia.org/wiki/Fully_qualified_domain_name\(link)]8;;\
 
   × not a fully qualified domain name
-   ╭─[test_records_invalid:3:11]
- 2 │ example.org.
- 3 │ example.net
+   ╭────
+ 1 │ example.net
    ·           ┬
    ·           ╰── last character
- 4 │ subdomain.example.com.
    ╰────
   help: hostname should be a fully qualified domain name (end with a '.')