docs: enhance struct-tag rule description (#1512)

Author: alexandear

RULES_DESCRIPTIONS.md

@@ -1228,13 +1228,33 @@ _Configuration_: N/A
 
 ## struct-tag
 
-_Description_: Struct tags are not checked at compile time.
-This rule spots errors in struct tags of the following types:
-asn1, bson, datastore, default, json, mapstructure, properties, protobuf, required, spanner, toml, url, validate, xml, yaml.
-
-_Configuration_: (optional) list of user defined options.
+_Description_: The rule spots errors in struct tags.
+This is useful because struct tags are not checked at compile time.
+
+The list of [supported tags](https://go.dev/wiki/Well-known-struct-tags):
+
+| Tag           | Documentation                                                            |
+| ------------- | ------------------------------------------------------------------------ |
+| `asn1`         | <https://pkg.go.dev/encoding/asn1>                                      |
+| `bson`         | <https://pkg.go.dev/go.mongodb.org/mongo-driver/bson>                   |
+| `datastore`    | <https://pkg.go.dev/cloud.google.com/go/datastore>                      |
+| `default`      | The type of "default" must match the type of the field.                 |
+| `json`         | <https://pkg.go.dev/encoding/json>                                      |
+| `mapstructure` | <https://pkg.go.dev/github.com/mitchellh/mapstructure>                  |
+| `properties`   | <https://pkg.go.dev/github.com/magiconair/properties#Properties.Decode> |
+| `protobuf`     | <https://github.com/golang/protobuf>                                    |
+| `required`     | Should be only "true" or "false".                                       |
+| `spanner`      | <https://pkg.go.dev/cloud.google.com/go/spanner>                        |
+| `toml`         | <https://pkg.go.dev/github.com/pelletier/go-toml/v2>                    |
+| `url`          | <https://github.com/google/go-querystring>                              |
+| `validate`     | <https://github.com/go-playground/validator>                            |
+| `xml`          | <https://pkg.go.dev/encoding/xml>                                       |
+| `yaml`         | <https://pkg.go.dev/gopkg.in/yaml.v2>                                   |
+
+_Configuration_: (optional) The list of struct tags that can be accepted by the rule additionally to the supported tags.
 
 Configuration example:
+
 To accept the `inline` option in JSON tags (and `outline` and `gnu` in BSON tags) you must provide the following configuration
 
 ```toml